4 and g = 9. It is seen by an observer sitting inside the compartment, that a force of 10 N is required in horizontal direction to move the box in a direction parallel to the motion of compartment while a force of 20 N is required in horizontal direction to move the box in opposite direction. At t = 0, (3 ^ i) m s velocity is imparted to the block and simultaneously (− 2 ^ i) N force starts acting on it. (b) If a force of 16 N acts then what is the frictional force acting on the block? The block of mass 4 kg is placed on a rough horizontal surface, having the coefficients of kinetic and static friction as 0. Then the acceleration - time graph of the particle is (g = 10 m/s 2) A body of mass 10 kg lies on a rough horizontal surface. What is the force of friction on the block if the acceleration of the truck is 5 m / s 2? (Take g = 1 0 m / s 2) A block of mass 5 kg is kept on a rough horizontal surface. The coefficient of friction between the two blocks is μ = 0. If a forace of 19 N is applied on the block parallel t Solution. If a force of 19 N is applied on the block parallel to the floor, then the force of friction between the block and the floor is Two blocks A and B of mass m A = 10 k g and m B = 20 k g are place on rough horizontal surface. `-8hati` C. At t = 0, 3 m/s )iˆ( velocity is imparted to the block and simultaneously 2N )iˆ ( force starts acting on it. Find the magnitude of frictional force acting between them, (g = 10 m/s 2) On smooth horizontal surface a block A of mass 10 kg is kept . 90 (3) 0. D) 5N. 4. The block compresses the spring a distance 0. A horizontal force of 200 N is applied to block A. Its displacement in first 5 second is (g = 10 m/s 2) - (A) 8i (B) -8i (C) 3i (D) -3i A block of mass 4 kg is kept on a rough horizontal surface as shown in figure. 5 and g = 10 m/s 2) 7. F = 20 N, friction on the block is 10 N. Unlock. The frictional force between the block and the plane at t = 2 sec is μ = 0. and two blocks R and Q of masses 2 kg and 4 kg connected with the help of massless strings A and B respectively, passing over frictionless pulleys as shown, then: (g = 10 m / s 2) The block can be pulled horizontally by an unknown force. 5 Ns (2) 375 Ns (4) 125 Ns A 50 KG block is kept on the rough horizontal surface and coefficient of limiting friction between surface and block is 0. The coefficient of friction between the body and the horizontal surface is (Take g = 10 m / s 2) 0. The acceleration of the system is: (Take g = 10 m s − 2) A bullet of mass 5 0 g moving horizontally with a velocity 2 1 0 m s − 1 gets embedded in a block of mass 1 k g kept on a rough horizontal surface. Then the force of friction between the block and floor is: 44. 8. Find the magnitude of frictional force acting between them, (g = 10 m/s 2) A block of mass 5 kg is placed on a rough horizontal surface of a moving compartment. For What minimum value of F will the block be lifted up? A block of mass 1 kg is at rest on a horizontal table. Mass of the block (m) = 5 kg. 1 At t = 0, (3 i ^) m s velocity is imparted to the block and simultaneously (− 2 i ^) N force starts acting on it. A horizontal force F= 5N μ = 0. Q. 5). The contact force between the surface and block can be : (Force is acting horizontally) (A) 50 N (B) 25 N (C) 75 N (D) 52 N. A time varying force acts on it along the horizontal given by F = 2t. Verified by Toppr. 2 A block of mass 5 k g is on a rough horizontal surface and is at rest. The coefficient of kinetic friction between the blocks and the plane is mu_k = 0. C F = 14 N, acceleration is 2m/s2. Its displacment in first 5 s is a block of mass 4 kg is kept over a rough horizontal surface. μ k = 0. Find the magnitude of frictional force acting between them, (g = 10 m/s 2) Two blocks of masses 2 k g and 4 k g are connected by a light string and kept on horizontal surface. 9. Block A has a mass of 4 kg and is sliding on a rough horizontal surface with a velocity of (v_A)_1 = 3 m/s when it makes a direct collision with block B, which has a mass of 2 kg and is originally at rest ( (v_B)_1 = 0). The coefficient of static and kinetic friction between the body and the surface are 0. 50 μ s = 0. The summation of coefficients of static and kinetic friction is (take g = 10 ms − 2) Jul 10, 2019 · A block of mass 4 kg is kept over a rough horizontal surface. When a horizontal force of F newtons acts on it, it gets an acceleration of 5 m / s 2. At t = 0, 3 m/s (i) (velocity is imparted to the block and simultaneously 2N(-i) force starts acting on it. 6. 5 , the block-bullet system will move a distance of ____________ before coming to rest. If the force continues to act even after the block has started moving, the acceleration of the block in ms − 2 is (g Aug 24, 2022 · A block of mass 4 kg is kept on a rough horizontal surface. 4 and μ k = 0. Another block of kg is connected to the other end of the string, the acceleration of the system is coefficient of friction μ=0. If the coefficient of kinetic friction between the block and the surface is 0 . 4; 0. It is pulled by applying a horizontal force F μ s = 0. At what value of t the block will start moving :- 10 kg 1 -0. (b) If a force of 16 N acts then what is the frictional force acting on the block? As shown in the figure, a block of mass √3 kg is kept on a horizontal rough surface of coefficient of friction 13√3. 8 and 0. A horizontal force of 30 N is applied on the lower block as shown. Then frictional force between 2 k g block and ground is A block of mass 4 kg rests on a rough horizontal surface. Also it is found that it takes 5 seconds to slide through the first 10 m if a horizontal force of 15 N is applied and the block is gently pushed to start the motion. The acceleration of the system is (Take g=10 m s − 2) A block of mass m is kept over another block of mass M and the system rests on a horizontal surface (In the following figure). 50 (2) 0. View Solution. `-8 hat i` C. A block of mass 2 kg rest on a horizontal surface . 6 and μ k = 0. The summation of coefficients of static and kinetic friction is (take g = 10 ms − 2) A block of mass 10 K g is placed on a rough inclined wedge, at an angle of 37 ∘. 05 m from its equilibrium position and is released with zero On a smooth horizontal surface a block A of mass 10 k g is kept. F = 40 N, friction on the block is 20 N. 5) A) zero. 4 m/s 2. 4 and 0. 65 (4) 0. `8 hat i` B. Below that limit, the frictional force is equal to the force applied. Find the magnitude of frictional force acting between them, (g = 10 m/s 2) A body of mass 40kg resting on rough horizontal surface is subjected to a force ' P ' which is just enough to start the motion of the body. `3hati` D. 35. Initially the string is just tight then a horizontal force F = 120 N is applied on one block as shown. Its displacment in first 5s is. its displacement in first 5 seconds is A horizontal force of 5N act on a block of mass 10 kg kept on a rough horizontal surface. The block is pushed to compress the spring by a distance d and released. 1 Find the frictional force acting on block if a horizontal force of 15 N begins to act on the block (g=10m/s^2) (A)50 N (B) 20 N (C) 25 N (D 15 N A block of mass 1 kg is held at rest against a rough vertical surface by pushing by a force F horizontally. The coefficient of friction between the block and the surface is 0. The frictional coefficients for the block and surface are μ s = 0. Find the value (s) of 'd' for which (spring + block) system loses its entire mechanical energy in A block of mass m= 2 kg is kept on a rough horizontal surface. If a force of 19 N is applied on the block parallel to the floor, then the force of friction between the block and the floor is (a) \( 32 N \quad \) (b) \( 18 N \) (c) \( 19 N \) The figure given below shows a block of mass m = 10 kg placed on another block of mass M = 20 kg. The summation of coefficients of static and kinetic friction is (take g = 10 ms − 2) A block of mass 4 kg is kept over a rough horizontal surface. The block of mass m kg is given a velocity of u = 10 m/s and the block of mass M is at rest on a smooth horizontal surface. The value of x will be . 6. 2 (2) 0. 4 A. 50 and μ k = 0. 4 (1) > 10 s (2) 8s (3) = 9 s (4) None A block of mass 10 kg is moving on a rough 3. A force F is acting on the block in the upward direction at an angle 30 degree to the horizontal. A block of mass 4 kg rests on a rough horizontal surface. 3 and between 2 k g block and ground is 0. Find the work done by frictional force in the time interval t = 0 to t = 5 sec. Previous question Next question. A block of mass 10 kg is placed on a horizontal surface. Its displacement in first 5 second is (g = 10 m/s2) - A. Att=0,3 m/s (i ∧) Velocity is imparted to the block and simultaneously 2N (− i ∧ ) force starts acting on it. The coefficients of static and kinetic friction are 0. if a horizontal force of 5N is applied on a block the frictional force on it is (muK =0. 5 Kg is kept on a rough horizontal surface. If a horizontal force of 12 N is applied on the block, then the frictional force by the surface on the block is (μ k = 0. B F = 4 N, friction is 10 N and acceleration is 3m/s2. Its displacement in first 5s is Two blocks A and B of masses 10 kg and 15 kg are placed in contact with each other rest on a rough horizontal surface as shown in the figure. Now a force of 24 N is imparted to it with negligible impluse. The critical force to be applied on the vertical surface as shown at an angle 60∘ with the horizontal such that it does not move will be 3x. 8; 0. The coefficient of friction between the block and the rough surface is 0. Two blocks of masses 2 k g and 4 k g are connected by a light string and kept on horizontal surface. A block of mass 4kg is kept over a rough horizontal surface. 4) is attached to a light spring (force constant = 200N//m) whose other end is attached to a verticle wall. 1. 75. Friction coefficient is mu=0. 4 . 1 at t=0(3i^)m/s velocity is imparted to the block and simultaneously (-2i^)Nforce starts acting on it. 5 and g = 10 m/s 2) Get an expert solution to A block of mass 2Kg is kept on a rough horizontal surface. View the full answer Answer. If friction coefficient at every contact is μ = 0. The coefficient of friction between the block and the surface is_____. Find the magnitude of frictional force acting between them, (g = 10 m/s 2) Q7: A 0. or 7. A) A block, of mass 1 kg, is placed on a rough horizontal surface and pressed up against a massless spring with spring constant k 20 N/m as shown in the figure to the right. And when the horizontal force is doubled, it gets an acceleration of 18 m / s 2. 8 g0. 1 kg moving horizontally with speed 400 ms-1 hits a wooden block of mass 3. Minimum value of force F to keep block at rest is 20 N. If a force of 4 N is applied to the body, then the frictional force acting on the body will be [g = 10 m / s 2] May 11, 2023 · A bullet of mass 0. Then the acceleration - time graph of the particle is (g = 10 m/s 2) A block of mass 5 kg is kept over a rough horizontal surface. (b) If a force of 16 N acts then what is the frictional force acting on the block? A block of mass 1. The coefficient of static friction μ s = 0. 9 kg kept on a horizontal rough surface. `8hati` B. the acceleration of the block will be g = 10 m / s 2 A block of mass 5 kg is kept over a rough horizontal surface. If friction on the block is acting upwards then minimum value of P for which the block remains at rest is: A horizontal force of 5N act on a block of mass 10 kg kept on a rough horizontal surface. A horizontal force of 200N is applied to block A. A force of 100 N as shown in the figure. Two forces of magnitudes 3 N P Newton are acting on the block as shown figure. If F= 4N, then what is the frictional force acting on the bloc A block of mass 4 kg rests on a rough horizontal surface. 4 (1) > 10 s (2) 8s (3) = 9 s (4) None A hlock of mass 10 kg is moving on a rough A horizontal force of 5N act on a block of mass 10 kg kept on a rough horizontal surface. The total impulse imparted to the block in time 15 s is 10 kg ™F = 5t ul = 0. 8N 32N. A horizontal force of 30 N is applied on the lower block as shown . If a horizontal force of 12 N is applied on the block, then the frictional force by the surface on A block of mass 5 kg is placed on a rough horizontal plane. A block B of mass 4 kg is placed on a rough horizontal plane. 9 N of force to keep the block moving at a constant velocity? Check Answer A block of mass 4 k g is kept over a rough horizontal surface. 5 and 0. The block starts slipping at t = 2. 3 and a time varying horizontal force F = 4 t is applied on it. 2 A block B of mass 4 kg is placed on a rough horizontal plane. But when the horizontal force is doubled, it gets an acceleration of 17 m/s\". 25 is just able to slide the block. 1 A pulling force of 100 N acts on it at $$37^{0}$$ with the horizontal. (b) If a force of 16 N acts then what is the frictional force acting on the block? A block of mass 10 kg is kept on a rough horizontal surface. Then the acceleration - time graph of the particle is (g = 10 m/s 2) A body of mass 2 kg is kept on a rough horizontal surface as shown in the figure. 4 i) If F = 12 N, frictional force on the block is 7. up to two decimal places[g=10 m/s2; sin 60∘=√32; cos 60∘=12] A horizontal force of 5N act on a block of mass 10 kg kept on a rough horizontal surface. 84 N, frictional force on the block is zero Aug 24, 2022 · A block of mass 4 kg is kept on a rough horizontal surface. Find the magnitude of frictional force acting between them, (g = 10 m/s 2) A block of mass 4 kg rests on a rough horizontal surface. 50 Ns (3) 62. 5. the coefficient of friction between the block and surface is 0. A constant horizontal force F acting on the lower block produces an acceleration \[\frac{F}{2 \left( m + M \right)}\] in the system, and the two blocks always move together. 5 then which of the following represents the correct free body diagram. 4 gD. The contact force between the Jun 20, 2019 · A block of mass 2. 6, respectively. The force of friction between the blocks is (take g = 10 m//s^(2) ) Step 1. Question. 3 g Jul 21, 2023 · Answer. Step by step video, text & image solution for A block of mass m=1/3 kg is kept on a rough horizontal plane. When . The blocks are connected with a string. B) 8N. 5 and g = 10 m/s 2) Dec 27, 2022 · A block of mass m = 1 kg is kept pressed against a spring on a rough horizontal surface. If F= 4N, then what is the frictional force acting on the block? Jul 21, 2023 · A block of mass 1 kg kept on a rough horizontal surface (μ = 0. 3 A block of mass 10 kg is placed on a rough horizontal surface of coefficient of friction 0. 4 , muS=0. The summation of coefficients of static and kinetic friction is (take g = 10 ms − 2) A horizontal force of 5N act on a block of mass 10 kg kept on a rough horizontal surface. What is the coefficient of friction between the block and the horizontal surface ? (g = 10 m/s) (1) 0. The coefficient of static friction is 0. Then the acceleration - time graph of the particle is (g = 10 m/s 2) Jul 30, 2019 · A block of mass 4 kg is kept over a rough horizontal surface. 4 kg block on a horizontal surface. . If a force of 19 N is applied on the block parallel to the floor, then the force of friction between the block and the floor is (a) \( 32 N \quad \) (b) \( 18 N \) (c) \( 19 N \) A block of mass 4 kg is kept over a rough horizontal surface The coefficient of friction between the block and the surface is 0. (b) If a force of 16 N acts then what is the frictional force acting on the block? A block of mass 4 kg is kept on a rough horizontal surface. `3 hat i` Jul 21, 2023 · A block is kept on a rough horizontal surface as shown. If g = 10 ms − 2, then the magnitude of a force (in N) acting upwards at an angle of 60 ∘ from the horizontal that will just start the block moving is Two blocks each of mass 20 kg are connected by an ideal string and this system is kept on rough horizontal surface as shown. 2 A block of mass 4 kg is kept on a rough horizontal surface with coefficient of friction μ s = 0. 5 (1) 562. The frictional force acting on the body is . If the force continues to act even after the block has started moving, the acceleration of the block in m/s 2 is (g A block of mass 5 kg is kept over a rough horizontal surface. `-3hati` A block of mass 4 kg rests on a rough horizontal surface. 5 s and its acceleration at t = 3 s is 0. 2. A force of 16 N is acted on 4kg block horizontally as shown in figure. If the acceleration of `6 kg` block is `5n A block of mass 5 kg is placed on a rough horizontal surface of a moving compartment. 0 kg rests on a horizontal surface. The coefficient of friction between the blocks and surface is 0. The limiting value of friction up to which the body stays at rest till it starts moving is given by, F s =μmg. Find the magnitude of frictional force acting between them, (g = 10 m/s 2) A block of mass 1 k g lies on a horizontal surface in a truck, the coefficient of static friction between the block and the surface is 0. where μ is the coefficient of static friction. Two blocks A and B of masses 10 kg and 15 kg are placed in contact with each other at rest on a rough horizontal surface as shown in the figure. Find the acceleration of the block if the block is initially at rest. At what value of t the block will start moving :- 10 kg F-41 = 0. - A block of mass 10 kg is kept over a rough surface and a force F = 4t is applied on it. Find the coefficient of static friction. If μ s = 0. The work done by minimum force required to drag to the block along the plane by a distance 5m is :- by Physics experts to help you in doubts & scoring excellent marks in Class 12 exams. Besides it is given that coefficient of friction between 4~kg and ground is 0. When. Here F s = 0. The coefficient of friction between the two blocks is 0. 5 andk 0. 5 , μ k = 0. 3 respectively. Static friction is a self-adjusting force. A block of mass 2. A horizontal force of 5N act on a block of mass 10 kg kept on a rough horizontal surface. It is found that the block does not slide if a horizontal force less than 15 N is applied to it. 3. What is the coefficient of kinetic friction between the block and surface when it takes 0. 4 , g = 10 m / s 2 and the force ' P ' is continuously applied on the body, then the acceleration of the body is A block of mass 4 kg is kept on a rough horizontal surface with coefficient of friction μ s = 0. C) 10N. 8×4×10 =32N ; g= 10m/s2. The block can be pulled horizontally by an unknown force. 0. 5 respectively. A horizontal force F is acting on the block. A block of mass 4 kg is kept on a rough horizontal surface with coefficient of friction μ s = 0. 6; 0. Transcribed image text: A block of mass 5 kg is kept on a rough horizontal surface. If the coefficient of kinetic friction is 0. 50. Its mass is 2 kg and coefficient of friction between block and surface (μ) = 0. For What minimum value of F will the block be lifted up? A horizontal force, just sufficient to move a body of mass 4 kg lying on a rough horizontal surface, is applied on it. On this block a second block B of mass 5 kg is kept . 40. its displacement in first 5 second is (g = 1 0 m / s 2) − A block of mass 4 kg is kept on a rough horizontal surface as shown in figure. A force F = 5t acts on the block as shown. 9 and between block B and ground is μ B = 0. A block of mass 4 kg is kept on a rough horizontal surface as shown in figure. If the coefficient of friction between block A and ground is μ A = 0. A time dependent horizontal force f = k t 2 acts on the block, k = 2 N / s 2. A block of mass 10 Kg is kept on a rough inclined plane as shown in figure. 84N ii) If F = 10 N, frictional force on the block is 10 N iii) If F = 7. 25 A block of mass 5 kg is kept over a rough horizontal surface. A block of mass 5 kg is kept on a rough horizontal surface (μ = 0. A block of mass 4 kg is kept on a rough horizontal surface. (Given g = 10 ms 2) (1) 0. The coefficient of friction is 0. A block of mass m= 2 kg is kept on a rough horizontal surface. Jan 25, 2020 · If the acceleration of `6 kg` block is `5n`, then `n` is : Two blocks of masses `4 kg` and `6 kg` are kept on a rough horizontal surface as shown. The spring is compressed by 10 cm from its natural length and to keep the block at rest in this position a horizontal force ( F ) towards left is applied. 1N 42N 9. Two forces of magnitude 60 N and 75 N acting on the block is shown in the figure. The force of friction between the blocks is (take g = 10 m / s 2). the coefficients of static energy kinetic friction between the block and surface as 0. 5 kg is kept on a rough horizontal surface. 2 . 5 and g = 10 m/s 2) A block of mass m= 2 kg is kept on a rough horizontal surface. On this block a second block B of mass 5 k g is kept. If F= 4N, then what is the frictional force acting on the block? A horizontal force just sufficient to move a body of mass 4 kg lying on a rough horizontal surface is applied on it. If F= 4N, then what is the frictional force acting on the block? A block B of mass 4 kg is placed on a rough horizontal plane. A block of mass 10 kg is kept over a rough surface and a force F = 4t is applied on it. A F = 4 N, acceleration is zero. The coefficient of static friction between the block and the table is 0. The bullet gets embedded into the block and moves 20 m before coming to rest. A block P of mass 4 kg is placed on a horizontal rough surface with coefficient of friction π = 0. The coefficient of friction between the two blocks is 0. When a horizontal force of F newton is applied to the body, it gets an acceleration of 6 m/s\". F = 30 N, friction on the block is 10 N. 6 N is just able to slide the block (a) Find the coefficient of static friction. (a) What is the minimum horizontal force required to move the block? (b) What is the block’s acceleration when this force is applied? A block of mass 4 kg is kept over a rough horizontal surface. At t = 0,(3^i) m s velocity is imparted to the block and simultaneously (−2^i)N force starts acting on it. 8 m / s 2 then the acceleration of the block is A block of mass 4 kg is kept on a rough horizontal surface with coefficient of friction μ s = 0. 3 , find the tension in the string in situation as A block of mass 1 kg is placed on a rough horizontal surface connected by a light string passing over two smooth pulleys as shown. (b) If a force of 16 N acts then what is the frictional force acting on the block? Given. A horizontal force of 19. 4, μ s = 0. fg ga lh gh wb uy bo yb fu at