Home
Class 11
PHYSICS
A 4 kg block A is placed at the top of 8...

A 4 kg block A is placed at the top of 8 kg block B which rests on a smooth table. A just slips on B when a force of 20 N is applied on A. The maximum horizontal force F required to make both A & B move together is

A

36N

B

5N

C

40N

D

60N

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

A 4 kg block A is placed on the top of 8 kg block B which rests on a smooth table. A just slips on B when a force of 12 N is applied on A. Then the maximum horizontal force F applied on B to make both A and B move together, is

A 4 kg blocks A is placed on the top of 8 kg block B which rests on a smooth table .A just slips on B when a force of 12 N is applied on B to make Both A and B move together is (4x) N Find the value of x.

A block A of mass 4 kg is placed on another block B of mass 5 kg and the block rests on a smooth horizontal table. For sliding the block A on B, a horizontal force of 12 N is required to be applied on it. The maximum horizontal force that can be applied on B so that both A and B move together and the acceleration produced by this force is

12N of force required to be applied on A to slip on B. Find the maximum horizontal force F to be applied on B so that A and B moves together.

A block A of mass 4 kg is placed on another block B of mass 5 kg , and the block B rests on a smooth horizontal table . For sliding block A on B , a horizontal force of 12 N is required to be applied on A How much maximum force can be applied on B so that both A and B move togrther ? Also find out acceleration produced by this force .

A block A of mass 4 kg is placed on another block B of mass 5 kg , and the block B rests on a smooth horizontal table . For sliding block A on B , a horizontal force of 12 N is required to be applied on A How much maximum force can be applied on B so that both A and B move togrther ? Also find out acceleration produced by this force .

A 5 kg block is placed on the top of a 15 kg block as shown in figure . A horizontal force of 60 N is applied to the 15 kg block and the 5kg block is tied to the wall . The coefficient of friction between moving surfaces is 0.2 (a) Draw the free body diagram for each block w.r.t ground and identify the action reaction forces between two blocks . (b) Determine the tension in the string and magnitude of the acceleration of the 15 kg block .

Two block A and B of masses 6 kg and 3 kg rest on a smooth horizontal surface as shown in figure If coefficient of friction between A and Bb is 0.4 the maximum horizontal force which can make them move without separation is

Two block A and B of masses 6 kg and 3 kg rest on a smooth horizontal surface as shown in figure If coefficient of friction between A and Bb is 0.4 the maximum horizontal force which can make them move without separation is

A 4.0 kg block is put on top of a 5.0kg block. In order to cause the top block to slip on the bottom one, a horizontal force of 12N must be applied to the top block. Assuming a friction less table the maximum horizontal force F which can be applied to the lower block so that the blocks, will move together should be