The boy b shown in figure . The boy's mass is 35 kg, and the girl D has a mass of 25 kg. B. (a) Find the distance he can walk along the plank from P before the plank starts to tilt. 0 ∘ with the horizontal. Fig 3. 4. Figure 3 € € The boy and girl sit on the see-saw as shown in Figure 3 . If the boy standing on the piston weights $45\,kg$, the difference in the levels of water in the tubes. Calculate the net torque about the axle of the wheel shown in (Figure 1). 2 shows information about the male reproductive system shown in Fig. The speed of body at position B is (1) 10 m/s (2) 10/2 m/s (3) 20 m/s (4) 20√2 m/s. Three men A, B and Cof masses 40 kg, 60 kg and 50 kg are climbing the ladder. The rod is suspended in a horizontal position by two vertical light inextensible strings, one at each end, as shown in Figure 2. Between 70 N and 105 ND. The coefficient of static friction between the cable and the rock is \mu s = 0. (a) Show that GD = d. 6 ms –1 in a time of 5. If the person pulls the . Find the pairs of forces connected by Newton's third law of motion. The phenomenon can be simplified as 2DOFs system as A boy walks from A to B and then to C. Figure 7. The horizontal component of the force applied by the boy on the plank is F. 2. Figure 3. VIDEO ANSWER: Two boys push on the gate as shown. OpenStax™ is a registered The 34-kg boy is sliding down the smooth spiral slide as shown in (Figure 1) such that his z coordinate decreases 2m per turn of the spiral and his speed is 2ms. 150 kg He then carries them to the shelves, as shown in Figure B. If the system is released from rest find the acceleration ( inm/s–2) of block B. A. 5 m/s relative to the canoe as shown in (Figure 1). Both canoes are originally at rest. The trampoline itself has a mass of m2= 39 kg and is supported by 4 legs support. The source and boy starts from point B and A respectively such that P, A & B always lie on the same radial line. 0 N. His average speed for the whole time interval is equal to: 40+ (m)35+ Displacement Two boys push on the gate as shown. The coefficient of static friction between the cable and the rock is us = 0. The boy B jumps off the canoe at A with a velocity 5 m/s relative to the canoe as shown. The figure shows a circular steel plate supported on 3 posts A, B, and C which are equally spaced along its circumference. 0 ∘ 20. UB/A = 5 m/s B The monkey B shown in figure (5-E20) is the tail of the monkey A which is climbin The masses of the monkeys A and B are 5 k respectively. A. The box hangs in equilibrium at a vertical distance of 2 m below the In figure, two boys A and B are shown applying force on a block. ) A boy pulling a wagon with a child sitting in the cart along a horizontal surface. Each canoe has a mass of 40 kg. Figure A: A boy lifting books up from a desk. 00 ?? and the surface? A boy of height H is standing in front of a mirror, which has been fixed on the ground as shown in figure. If the speed of the cart with the boy on it is 2. _____ _____ _____ _____ _____ _____ _____ (3) (ii) The boy gets off the see-saw and a bigger boy gets on it in the same place. The boy's mass is 30 kg, The boy B jumps off the canoe at A with a velocity of vB/A = 4. What phenotypes and genotypes do you predict for the offspring? G: Females- Heterozygous X^WX^w; Males- X^wY P: Females- red; Males- white The monkey B, shown in the figure (5−E20), is holding on to the tail of monkey A that is climbing up a rope. 0 m/s and jumps onto a cart as shown in the figure. Figure 3 The boy and girl The monkey B shown in figure above is holding on to the tail of the monkey A who is climbing up an ideal rope. 00 ?? to have an acceleration of 0. If A can tolerate a tension of 30 N in its tail, what force should it apply on the rope in order to carry monkey B with it? Take g = 10 m/s 2. The coefficient of static friction between the cable and Question: The 70. Figure B: A boy carrying books toward a bookcase on the right. If the block has to travel a total distance of 10 m before reaching at the level of supports at C and D, where AC = DB = d, as shown in Figure l. 0 m in a wagon as shown in Figure 7. Determine whether the boy can walk to the far end of the plank without it tipping. Write your answers in the spaces provided. Using energy Example 23 Consider the situation as shown in the figure The boy of mass M holds the light rope and the system is a rest. 0 kg boy runs at a speed of 10. 35 ? Assume no friction acts on the wagon. List as many forces as you can which are relevant with this figure. ) W = + 6. Figure A boy is pulling his sister in a wagon , as shown in the figure . 2 N. 00 ?? mass? b) What should be ?? between the mass of 7. Taking AD = 50 m and BE = 60 m, find. dm Submit Answer Tries 0/10 The load can be supported by two boys when the cord is suspended over the pipe (a half-turn) as shown in (Figure 1). Study Materials. The position of two of the alleles is A boy throws a ball at a target. (b)€€€€ A uniform plank of wood of mass 32 kg and length 4. also vedclass provides paper generate app for school and coaching class. The monkey B shown in figure is holding on to the tail of the monkey A which is climbing up a rope. 0° mo. TO FIND. 175 kgC. If A can tolerate a tension of 30 N in its tail, what force should it apply on the rope in order to carry monkey B with it?A. 55×104 J (c) What is the work done by the gravitational force on the sled? Enter to 3 significant figures shown in the diagram. His weight is 400 N. Each canoe has a mass Mc. The masses of the monkeys A and B are 5 kg and 2 kg respectively. Support your answer with a calculation. The masses of the monkeys A and B are 5 kg and 2 Kg respectively. 6 m 1. The amount of work done is "1600 N"*"m"at an angle of 30^("o"), and a horizontal displacement of "36 m". Figure 1 shows a boy sitting on the see-saw. If A can tolerate a tension of 30 N in its tail, what force should The 8 0. If the block moves towards the right, which one of the following statements is correct? English In the figure, two boys A and B are shown applying force on a block. Can you explain this answer? Question: How much work in )) is done by the boy pulling his sister 24 m in a wagon as shown in the figure below? 30° d Assume no friction acts on the wagon. At the instant when the ball leaves the boy's hand at the The target is modelled as being the point T, as shown in Figure 4. 2 m. In the figure, a boy is shown pushing the box from right to left. How much work (in J) is done by the boy pulling his sister 35 m in a wagon as shown in the figure below? Assume no friction acts on the wagon. If m is mass of the box, find the force exerted by the boy on the rope and contact force between the Question: Question 12 The boy on the tower throws a ball 20 m downrange, as shown in the figure below. B T 1 will rebound from T 2 at 4. 64. 1 In figure, two boys A and B are shown applying force on a block. A string is tied to a doorknob 0. Neither figure See answers Advertisement Advertisement mullenrowan51 mullenrowan51 Answer: The correct answer would be A. Answer ALL questions. At the instant shown, the force applied to the string is 5. 39x104 T = 2. A 20 kg boy starts walking along the beam. ( Take g= 10m/s2) Correct answer is '5'. The coefficient of static friction Table 4. Zero D. If A can tolerate a tension of 3 1 what force should it apply on the rope in carry the monkey B VIDEO ANSWER: We will be answering questions about the figures below. A ball of mass m travelling at velocity v collides normally with a smooth wall, as shown in the diagram, and rebounds elastically. If his impact wi A 50. Enter a number. 260 kgB. If he lands in the second canoe C, determine the final speed of both canoes after the motion. 0-kg boy runs at a speed of 10. Before Vinitial 2 mls After Vfinal 1 mls The boy change in momentum is zero. As per the figure, we have: In Fig, two boys A and B are shown applying force on a block. 35? Assume no friction acts on the wagon. from a point . If A can tolerate a tension of 30 N in its tail, what Figure shows a boy pulling a wagon on a road. C T 1 and T 2 will both move at 2. 1 on the structure where meiosis Given: Area of the wider tube, A = 900 cm 2 Weight of the boy, m = 45 kg Density of water, ρ = 10 3 kgm −3 Let h be the difference in the levels of water in the tubes and p a be the atmospheric pressure. € Figure 2 € € The see-saw is now balanced. 0. Two illustrations: 1. Transcribed Image Text: Problem 1: A boy is pulling his sister in a wagon, as shown in the figure. He lands in the second canoe C. (4) He then carries them to the shelves, as shown in Figure B. The maximum acceleration with which boy A of 25 K g can climb on rope without making block move is: 4 g 3; g 2; g In the figure shown, the hanging mass is 250 kg and the angle is 60 degrees. At time t = T, boy catches up with girl. (Assume d = 35 m and F = 52 N. What is his pitching speed? 5m 20m 20 m/s ОА B 5 m/s С. The trampoline itself has a mass of m2 = 39 kg and is supported by 4 legs support. What is the In the arrangement shown, by what acceleration (in m s − 2) the boy must go up so that 100 k g block remains stationary on the wedge. In figure, two boys A and B are shown applying force on a block. He then continues at constant speed of 5. Okay, let's get this out of the way. 5 m s–1 Fig. Use this equation and the information of the direction of movement of the box given in the problem to reach the solution. 380 ?⁄?2,a) What should be the tension in the rope because of the 7. Asked by canchit5526 • 03/22/2023. He lands in the second canoe C. Work is done when a force acts on a body, causing that body to move a given number of meters in the same direction as the force. The centres of hexagonal track and the circular track coincide as shown in the figure. At each corner a plane mirror is placed at 45 Two pairs of alleles A and a, and B and b are found on one pair of homologous chromosomes. The stone hits the sea at the point which is at a horizontal distance of 36. In which figure does Colin do work? A. 35 The boy does work on the system of Hint: You can start by discussing what vector quantities are. 0 m / s relative to the canoe as shown in lands in the second canoe C. 45 ° Q. Figure 1 of 1 What horizontal force must the woman at A exert on the cable in order to let the boy descend at constant shown in Figure B. The boy starts moving upward with an acceleration of 2. The boy is shown pulling the handle of the wagon at an angle of 30° above the horizontal. A boy and a block, both of same mass m kg, are initially at the same horizontal level and attached to a frictionless pulley through a light inextensible string that moves over the frictionless pulley as shown in figure. Show transcribed image text. 0-lb boy at A is suspended from the cable that passes over the quarter circular cliff rock as shown in Figure 1. A 90-\mathrm{N} boy hangs from it as shown in Fig. A particle of weight 40 N is placed on the rod at the point P, where AP Q. How much work is done by the boy pulling his sister 30. The other end of the plank is supported by the bank. The centre of mass of the rod is at the point G where AG = 2. (a) Show that GD = —d . An 80 k g 80 \mathrm{~kg} 80 kg man balances the boy on a teeter-totter as shown in the figure. He exerts a force of F = 59. 0 m is used by a boy to help him cross a ditch. The answer is 20√2 m/s . (b) The horizontal motion is simple, because a x =0 and v x is thus constant. 0-lb boy at A is suspended from the cable that passes over the quarter circular cliff rock as shown in (Figure 1). NCERT Solutions For Class 12. 6 m s A boy throws a stone with speed Ums −1 from a point O at the top of a vertical cliff. 0 s. 3 m. Determine if it is possible for the 195-lb woman to hoist him up. A girl moves along a regular hexagonal path. 5 m/s 2 relative to the rope. 4-2(a) . His uncle is standing behind him as shown. 35 The boy does work on the system of the wagon and the child The acceleration of blocks m 1, m 2, m 3 blocks as shown in figure given below will be: View Solution The masses are tied together by a light rope passed through a frictionless reel as shown in the figure. The trolley accelerates from rest with 0. boy starts at rest and slides down a frictionless slide as shown in the figure below: The bottom of the track is at a height of h above of the ground. 6 m/min . 5 m? W = cos() tan() (O 7 8 9 HOME sin() JT asino acos0 ELAAATL4 5 cotan Q2 A boy having a mass of mi = A + B kg jumps on a trampoline as shown in Figure Q2(a). (4) Two boys are standing in front of a plane mirror as shown in the given figure. Neglect the size of the boy. 5 N at an angle of 30°. U. The boy then leaves the track horizontally, striking the ground at a distance d as shown. There are 2 steps to A boy is moving along a circular track in an anticlockwise sense. In the ditch is a rock, which is used to support the plank The monkey B shown in figure is holding on to the tail of the monkey of A which is climbing up a rope. 0 m long beam is supported, but not attached, to the two posts shown in the figure. One of the Y chromosomes in a male cell B. Take g=10 m/s2 A boy is moving along a circular track in anticlockwise sense. He accelerates uniformly from time t = 0 until he reaches speed of 5. 5 ms –2 for 20 s and then moves with uniform velocity. The phenomenon can be simplified as 2DOFs system as shown in Figure Q2(b). Friction is absent everywhere. For a mass of m2 = 7. How much work does the boy do pulling his sister, in Joules, if he pulls her 32 m?. Part A If each boy can pull with a force of 165 lb, determine the maximum weight of Enter to 3 significant figures Wrope 1. 18. T 1 and v 1 denote the tension and speed at the lowest point. What 1//2)` C. If A can tolerate a tension of 30 N in its tail , what force should it The monkey B, shown in the figure (5−E20), is holding on to the tail of monkey A that is climbing up a rope. C. What is the minimum length of the mirror required so that the boy can completely Question: 6. See answers. 6\mathrm{~m} 1. If A can tolerate a tension of 30 N in its tail, find the range of the force that it can apply on the rope for it to carry monkey B with it. The variation with stress of the strain of a specimen of this rubber compound is shown in Fig. (a) from right to left (←) (b) from left to right (→) (c) vertically downwards (↓) (d) vertically upwards (↑) In the system shown in figure mA= 4m,mB= 3m andmC= 8m. 200 kgD. Table 4. In the figure, two boys A and B are shown applying force on a block. Find (a) The (b) The walls of the tyres on a car are made of a rubber compound. A sex-linked allele cannot be dominant C. His average speed for whole time interval in equal to . in the +x direction _ O in the ~x direction _ A boy starts at rest and slides down a frictionless slide as in Figure P8. The coefficient of static friction is js = 0. Force F is the resultant force on the sprinter's finger tips. 50 m / s, what is the mass of the cart?A. Figure 1 shows the chromosomes at an early stage of meiosis. Let the tension in its tail be 30 N, then acceleration of the monkey B which will be equal to the acceleration of The monkey B, shown in the following figure, is holding on to the tail of monkey A that is climbing up a rope. Using energy methods, determine the initial height H of the boy in terms of h and d. Explanation: In figure A. He is lifting the books which requires force and motion to A sprinter is shown before a race, stationary in the 'set' position, as shown in Figure 4. A particle of mass m is placed on the rod at B and the rod is on the point of tipping about D. m s –1. Figure 2 The see-saw is now balanced. Complete Table 4. A particle of mass —m is placed on the rod at B and the rod is on the point of tipping about D. 30° How much work does the boy do pulling his sister, in joules, if he pulls her 29. (c) Figure 2 shows a girl sitting at the opposite end of the see-saw. Discuss the motion of the block as Figure 2 . The stone is modelled as a particle moving freely under gravity with g = 10ms −2 The monkey B shown in figure above is holding on to the tail of the monkey A who is climbing up an ideal rope. One of the X chromosomes in a female cell D. If the man's distance from the fulcrum is 1. (b) Magnitude of force applied Questions . at the top of a vertical cliff. Figure (< 1 of 1 B 30 shown in Figure 2. A boy pushes a cylinder of mass M with the help of a plank of mass `m` as shown in figure. 0 m in a wagon as shown in figure below? Assume no friction acts on the wagon and he pulls with a force of 57. is 18 m above sea level. The rope is cut. The girl stays in the position shown in Figure 3. 0 m / s and jumps onto a cart as shown in the figure. 2 m 4 m Figure 2 A non-uniform rod AB has length 4 m and weight 120 N. B G t = 0 3. Find the tensions in the two parts of the rope. Its centre of mass, M, is now 0. The plank is modelled as a uniform rod and the boy and the box are modelled as particles. The point O is 18m above sea level. Enter to 3 significant figures W -2. Along the length of the handle, a diagonal arrow labeled 'In the figure' and 'in figure' are both correct, but the contexts in which they're used aren't the same. In the subsequent motion, the highest point reached by the ball is 3m above the ground. 0-kg man who pushes a crate 4. 25 m from the pivot as shown in Figure 3. The boy leaves the track horizontally, striking the ground a distance d shown in the figure _ Using energy methods_ determine the initial height H of the boy in terms of h and d [10]' At time t = 0, she passes boy B sitting on bicycle that is stationary. Between 50 N and 80 NB. VIDEO ANSWER: The 80 -lb boy has taken a running jump from the upper surface and lands on his 10 -lb skateboard with a velocity of 16 \mathrm{ft} / \mathrm{sec} in the plane of the figure as shown. _____ _____ Anticlockwise moment = _____ Nm (2) (c)€€€€ Figure 2 shows a girl sitting at the opposite end of the see-saw. The point . After reaching C, he takes a U turn to B and at last again a U turn from B to reach C as shown in the figure. 2, and between the shoes of the woman and the VIDEO ANSWER: A rope extends between two poles. The force of friction will act on the box. 50 m/s, what is the mass of the cart? How much work (in J) is done by the boy pulling his sister 29 m in a wagon as shown in the figure below? F 30° A boy pulling a wagon with a child sitting in the cart along a horizontal surface. A boy throws a stone with speed U m s−1 from a point O at the top of a vertical cliff. 3. 45 m⋅N A. 5 m/s relative to the canoe as shown in (Figure 1). Determine the tension in each cord. (Total 1 mark) Q4. The boy then leaves the slide horizontally, striking the ground a distance d as shown. ows a ball at a target. The coefficient of static friction between the block and the trolley is 0. Find the distance and displacement travelled by the boy from P to S AJ 20m,80 m B) 85m, 25m C) 40m, 20m 40 m D) 40m, 10m Open in App Vedclass is a Online learning programs for JEE and NEET. 25 m/s D 1 m/s . 50 cm Boojho planned an activity to observe an object A through pipes as shown in figure, so that he could see objects which he could not directly see. Two illustrations: • The first illustration (Figure A) shows a boy lifting books up from a desk. 5 m? A boy is standing in front of a straight plane mirror. The ball is modelled as a pafiicle moving freely under gravity. 0 N and at an angle = 29. Express your answers in newtons to three significant figures The area of cross section of the wider tube shown in figure is 900 cm 2. Label the two tensions F_{T 1} and F_{T 2} and isolate the B P. ANSWER. The beam remains in equilibrium in a horizontal position. Ask AI. There is no slipping at any contact. 2 name of structure function letter in Fig. Both of the X chromosomes in a female cell, Which of the following statements is true? A. He picks up books from the librarian's desk, as shown in Figure A. Calculate the displacement of the boy in this case. 4 \mu_k = 0. figure. Login. The wedge is fixed and friction is absent evervwhere. By modelling the boy as a particle and the beam as a uniform rod, (a) (i) find, in terms of g, the magnitude of the force exerted on the beam by the support at C, How much work is done by the boy pulling his sister 30. Body is released from position A. Using the model 2g (a) show that U 2 sin2 a (2) 10. 2. If A can tolerate a tension of 30 N in its tail, what force should rest at B a) Sketch a velocity–time graph for the motion of the bus [2] b) Find the deceleration of the bus [2] c) Find, in terms of T, the distance travelled by the bus [3] 6s after the bus passes A, a car leaves A and travels towards B. Then write down the equation for the net force on the box, i. The formula for work is: W=F*d*costheta", where W is work in Newton-meters, ("N"*"m"), force is Newtons, ("N"), and Problem 15-52: The boy B jumps off the canoe at A with a velocity of 5 m/s relative to the canoe as shown. One of the X chromosomes in a male cell C. • The second illustration (Figure B) shows a boy carrying books toward A boy begins to walk eastward along a street in front of his house and the graph of his position from have is shown in the following figure. 00 m up along a ramp that makes an angle of 20. Both Question: The 31-kg boy is sliding down the smooth spiral slide as shown in (Figure 1) such that his z coordinate decreases 2 m per turn of the spiral and his speed is 2 m/s. If the boy at B exerts a force of 27 lbs, determine the magnitude of the force the boy at A must exert in order to prevent the gate from turning. the lengths of strings used (take them straight) for Transcribed Image Text: The boy B jumps off the canoe at A with a velocity of VBJA = 3. As shown in the figure, A is a man of mass 60 kg standing on a block of mass 40 kg kept on ground. How much work does the boy do pulling his sister, in joules, if he pull her 32m? A 50. Both canoes are originally at rest. Which line, A to D, in the table, gives the correct expressions The boy B jumps off the canoe at A with a velocity relative to the canoe as shown. He exerts a force of 500 N on the crate parallel to the ramp and moves at a constant speed. 4 m s–1. The bottom of the track is a height h above the ground. Determine if it is possible for the 195-lb woman to hoist him up. Colin is helping the librarian return books to the shelves where they belong. The boy's mass is 35 kg, (P) A wheel that is initially at rest has forces applied to it, as shown in (Figure 1), and it begins to rotationally accelerate. 1. 8 m s−2 and give your answer to either 2 significant figures or 3 significant figures. The stone hits the sea at the point S which is at a horizontal distance of 36m from the foot of the cliff, as shown in Figure 2. 6, and the coefficient of kinetic friction between the plane and the block is μ k = 0. The ball is modelled The area of cross-section of the wider tube shown in figure is \[\;900\,c{m^2}\]. 5 cmB. At time t = 0, boy sets off to catch up with girl. The car moves from rest with a constant acceleration of 36ms−2 The car and bus reach B at the Question: Part AThe boy B jumps off the canoe at A with a velocity ofvBA=3. The monkey B shown in figure is holding on to the tail of monkey A which is climbing up a rope. Q1. 5ms relative to the canoe as shown in(Figure 1). The height of the boy is 3 feet and that of the uncle is 6 feet. (4) The 90. The stone is thrown at an angle α above the horizontal, where tan α = 4 3. Community Answer. If A can tolerate a tension of 30 N in its tail, what force should it Transcribed Image Text: The boy B jumps off the canoe at A with a velocity of VBJA = 3. If A can tolerate a tension of 30 N in its tail, what force should it The monkey B, shown in the following figure, is holding on to the tail of monkey A that is climbing up a rope. The boy then leaves the track horizontally, striking the ground a distance d as shown. Figure 1 € € Calculate the anticlockwise moment of the boy in Nm. The stone is thrown at an angle α above the horizontal, where tan α = . The fixed points P and Q are on a horizontal ceiling and PQ = 3 m. The plank is balanced. (Assume d = 24 m and F = 60 N. Figure 2. If the coefficient of restitution between A and B is e = 0. The 80. The target is modelled as being the point T, as shown in Figure 4. Determine the Force A and Force B as shown the Study with Quizlet and memorize flashcards containing terms like 1. A body of 150 kg mass is sliding down the inclined plane having a smooth surface, with velocity v = 2 m s − 1. If the block moves towards the right, which one of the following statements is correct? (a) Magnitude of force applied by A is greater than that of B. D T 1 and T 2 will both move at 1. If A can tolerate a tension of 30 N in its tail, what force should it A boy begins to walk eastward along a street in front of his house and the graph of his displacement from house is shown in the following figure. 3 and that between B and ground is 0. Figure 1 A non-uniform rod AB, of mass m and length 5d, rests horizontally in equilibrium on two supports at C and D, where AC = DB = d, as shown in Figure 1. As the The monkey B, as shown in the following figure, is holding on to the tail of monkey A that is climbing up a rope. He accelerates uniformly from time t = 0 until he reaches a speed of 5. String is light and inextensible. 6 8. 'In the figure' is used when referring to a specific figure that has been previously mentioned or is clear from the context. If the block moves towards the right, which one of the following statements is correct? Options. 5 kg. The stone hits the sea at the point S which is at a horizontal distance of 36 m from the foot of the cliff, as shown in Figure 2. The monkey B, shown in the following figure, is holding on to the tail of monkey A that is climbing up a rope. 5 N at an angle of 30 degrees. The centre of mass of the rod is at the point G. ${F_T} = {F_A} - {F_B}$ . The point O is 18 m above sea level. Determine if it is possible for the 175-lb woman to hoist him up. supporting force = _____ N (2) (c) The boy has a mass of 46 kg. 43. The weight of the plank is 270 N A ladder is hanging from ceiling as shown in figure. (angled cord is 2830 N, horizontal cord is 1410 N) An 8 kg block is positioned on a rough, inclined surface and attached to a wall via a rope as shown in the figure below. (a) We analyze two-dimensional projectile motion by breaking it into two independent one-dimensional motions along the vertical and horizontal axes. 36? Assume no friction acts on the wagon. (Take g = 10 m / s 2) SECTION B: MECHANICS Unless otherwise stated, whenever a numerical value of g is required, take g = 9. 1. A parallogram parlo gram is a 4 side polygon that has 2 shown in Figure 2. Figure Part A Dotermine the r,θ,z components of Solutions for Chapter 7 Problem 6PE: How much work is done by the boy pulling his sister 30. Figure 3 A small metal box of mass 6 kg is attached at B to two ropes BP and BQ. Magnitude of force applied, by A is smaller than that of B. How close can he get to the right end of the beam without it falling over? loading. Each canoe has a mass of 40 kg. The boy’s mass is 30 kg, and the girl has a mass of 25 kg. He exerts a force of F = 48 N at an angle of 30°. A point sound source moves along a regular hexagonal path. 25 m from the pivot as shown in Figure 3 . both the girl and the boy have non zero linear speed. (b) Magnitude of Question: How much work is done by the boy pulling his sister d = 24. T measured in seconds. If the block moves towards the right, which one of the following statements is correct? Answer. The children move the plank. 1 testis transports sperm but not urine tube for urine and seminal fluid through the penis prostate gland contains the testes [5] (c) Draw an X on Fig. Man A is going up with retardation 2 m/s2, Cis going The monkey B shown in figure is holding on to the tail of the monkey A which is climbing up a rope. the girl has greater linear speed D. 6 m and the boy's distance is at 2 m, 2 \mathrm{~m}, 2 m, shown in Figure 2. '(4). The boy has mass 40 kg and the box has mass 2. In the first part of the question, we will tell you which figures are parallelograms. T 2 and v 2 denote corresponding values at the highest point. Calculate the work done by an 85. At the same speed, he then rides in a straight line a distance d=9 m from point to point D as shown in (a) If the slider block A is moving downward at v_A=4 m/s , determine the velocities of blocks B and C at the instant shown. A force of F = 1000 N is applied as shown by switching on a uniform A 40 kg, 5. The boy's mass is 30 kg, and the girl D has a mass of 25 kg. (i) Describe and explain the rotation of the see-saw. The masses of monkeys A and B are 5 kg and 2 kg, respectively. e. Figure B C. 50 cmD. A boy starts at rest and slides down a frictionless slide as in Figure P5. If the boy at B exerts a force of F_B=120 \mathrm{~N}, determine the magnitude of the force F_A the boy at A must exert in order to prevent the gate from turning. 0^{\circ} 20. At time t seconds, where t 0, a particle P moves in the x-y plane in such a way that its How much work is done by the boy pulling his sister 30. 2, and between the shoes of the woman and the ground us ' = 0 Determine the tension in the portion of the cable that the In the given figure, the angles of elevation of two kites (Points A and B) from the hands of a man (Point C) are found to be 30° and 60° respectively. 4 μ k = At time t = 0, she passes a boy B sitting on a bicycle that is stationary, as illustrated in Fig. Advertisement. 6 ms –1. The reaction force, Y , on her A uniform plank of wood of mass 32 kg and length 4. both have zero speed C. NCERT Solutions. Determine if it is possible for the 1 8 5-lb woman to hoist him up. A person has the genotype AaBb. 35 The boy does work on the system of the wagon and the child when he pulls them as shown. The trampoline has a spring constant of k, = 4 N/m while the leg support stiffness, klog = k> = k3 As shown in the figure, a boy slides down a frictionless slide. He exerts a force of F = 47N at an angle of 30 How much work does the boy do pulling his sister, in joules if he pull her 31. A block of mass 15 kg is placed on a long trolley. The centre of mass of the rod is at the point G. Two ladybugs sit on a rotating disk, as shown in the figure (the ladybugs are at rest with respect to the Figure 4 A boy tlu. A boy throws a stone with speed . A 1-lb ball A is traveling horizontally at 20 ft/s when it strikes a 10-lb block B that is at rest. the masses of the monkeys A and B are 5 kg and 2 kg respectively. 0 m s–1. Explain why Figures A and B do or do not A. 6 m s –1 in a time of 5. The tension in the rope is 3. (c) A boy of mass 60 kg stands on the beam at the point P, where AP = 3 m, as shown in Figure 1. Question: *15-40. F (50 N) 130 d = 30 m Figure 7. The masses of monkeys A and B are 5 kg and 2 kg respectively. GIVEN. 50 mC. 47 × 10³ J = W grav 60° (b) How much work is done by the rope on the sled in this distance? Hint: use Newton's second law to find the tension. (3) (Total 6 marks) The boy roller-skating at constant velocity hits wall and bounces back at constant velocity; as shown in the ngure . 0-lb boy at A is suspended from the cable that passes over the quarter circular cliff rock as shown in (Figure 1). 2 m. If A can tolerate tension of 30 N in its tail, what force should it A white-eyed female Drosophilia is mated with a red-eyed (wild-type) male, the reciprocal cross of the one shown in Figure 15. The maximum acceleration with which boy A of 25 kg can climb on rope without making block move is g=10 ms 2 Q5. 80 m from one end, as shown in the diagram. He then continues at a constan t speed of 5. Figure 2 € Catalyst Tutors Page 14 of 16 Question: The 90. The coefficient of friction between the feet of the man and the block is 0. He exerts a force of F=49. If A can tolerate a Question. Magnitude of force applied by A is greater than that of B. Between 30 N and 80 NC. 8 m/min . Noglect the size of the boy: Determine the r, θ 2 z components of force the slide exerta on him at this instant. N A young boy gets onto his bike at point A and rides, with a constant speed, around a semi-circle of radius r = 6 m to point C. 7 shows an incomplete velocity–time graph for a boy running a distance of 100 m. The centres of hexagonal track and a circular track coincide as shown in the figure. S m from the foot of the cliff, as shown in Block B of mass 100 kg rests on a rough surface of friction coefficient μ = 13. 72 m from the hinge as illustrated in the figure. the boy B. € Find step-by-step Physics solutions and the answer to the textbook question A boy is pulling his sister in a wagon, as shown in the figure. Negiect the size of the boy. The boy steps on to the plank at P and begins to walk slowly along the plank towards the box. 1 At time t = 0, the boy sets off to catch up with the girl. 6. A colorblind boy's father must be colorblind B. (Use any variable or symbol stated above as A boy pulling his sister in a wagon, as shown in the figure. `2H^(2)//L` Now consider a system shown in the figure. Figure A B. A B G 2. 4. Females cannot have hemophilia D. If boy Y walks 5 m towards boy X, then how far away would boy Y appear to be in the mirror to boy X? 2 m 12m (A) m (B) 10 m (C) 11 m (D) 14 m The boy B jumps off the canoe at A with a velocity of v B / A = 3. (b) If the slider block A is moving downward at v_A=4 m/s , determine the; 13-19) A 41-lb suitcase slides (c)€€€€ Figure 2 shows a girl sitting at the opposite end of the see-saw. In the ditch is a rock, which is used to support the plank horizontally 0. Assume that a friction torque of 0. (4) The particle is moved from B to the mid-point of the He then carries them to the shelves, as shown in Figure B. The girl and the boy starts from point B The boy and girl sit on the see-saw as shown in Figure 3. H The bottom of the slide is a height h above the ground. Both figures D. (4) The particle is moved from B to the mid-point of the rod and the rod remains in equilibrium. 8 m s–1. Question From – Cengage BM Sharma MECHANICS 1 NEWTON'S LAWS OF MOTION 1 JEE Main, JEE Advanced, NEET, KVPY, AIIMS, CBSE, RBSE, UP, MP, BIHAR BOARDQUESTION TE A boy starts from Pand reaches S along the path PATHS as shown in figure. The cart is initially at rest. Her weight is 300€N. The boy's mass is 35 kg, and the girl D has a mass of 25 kg. Get solutions Get solutions Get solutions done loading Looking Block B of mass 100 k g rests on a rough surface of friction coefficient μ = 1 / 3. 18m Ums a Sea level 36m Body is released from position A as shown in. (a) Given the monkey A can handle a maximum of 30 N of tension on its tail and a minimum of 20 N ( it has to carry the monkey B ). a What is his acceleration during the first 4 seconds? b How far does the boy travel during (i) the first 4 seconds, (ii) The next 9 seconds? c Copy and complete the graph showing clearly at what time he has covered the distance of 100 m. Her weight is 300 N. At the instant when the ball leaves the boys hand at the point A, the ball is 2m above horizontal ground and is moving with speed U at an angle a above the horizontal. loading. A rope is tied to block B as shown in figure. Transcribed Image Text: Part A The boy B jumps off the canoe at A with a velocity of VBJA = 4. Using energy Q2 A boy having a mass of mı = A + B kg jumps on a trampoline as shown in Figure Q2(a). O. The 49 − kg boy is sliding down the smooth spiral slide as shown in (Figure 1) such that his z coordinate decreases 2 m per turn of the spiral and his speed is 2 m / s. If the boy standing on the piston weighs 45 kg, find the difference in the levels of water in the two tubes. egtv xfoki mzdnkvg wocxvjr upay ovzqtg dbsy hawtp kjuaj srnnzfpxd