Home
Class 11
PHYSICS
The figure shows blocks in contact and k...

The figure shows blocks in contact and kept on a smooth horizontal surface. What is the ratio of force exented by block A on B to that of B on C. `(m_A=5kg , m_B =2kg,m_c =1kg)`

A

`1:3`

B

`3:1`

C

`5:3`

D

`3:5`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

Two blocks of masses 4 kg and 6 kg are kept on a rough horizontal surface as shown. If the acceleration of 6 kg block is 5n , then n is :

A block A of mass 2 kg is placed over another block B of mass 8 kg and supported by a ledge L fixed on block B on its smooth surface as its extended part. If a force F=100 N is applied on block B , it starts moving on a smooth horizontal surface. Find the force exerted by block B on is 25 N . (Take g=10m//s^(2) )

Two persons A and B are standing at the two opposite ends of a plank of length 4 m as shown in the figure. Plank is kept on a frictionless horizontal surface. Displacement of Plank, when A and B interchange their positions on the plank is (given m_A=40 kg, m_B= 60 kg, m_(plank) = 20 kg)

A 2kg block is placed over a 5kg block and both are placed on a smooth horizontal surface. The coefficient of friction between the blocks is 0.10. Find the acceleration of the two blocks if a horizontal force of 14N is applied to the upper block (g = 10ms^(-2) ).

A force of 50N acts in the direction as shown in figure. The block of mass 5kg, resting on a smooth horizontal surface. Find out the acceleration of the block.

A force of 50N acts in the direction as shown in figure. The block of mass 5kg, resting on a smooth horizontal surface. Find out the acceleration of the block.

Figure shows a boy on a horizontal platform A on a smooth horizontal surface, holding a rope attached to a box B. Boy pulls the rope with a constant force of 50 N. The combined mass of platform A and boy is 250kg and that' of box B is 500kg. The velocity of A relative to the box B 5 s after the boy on A begins to pull ,the rope,will be: (A) 1 m/s (B) 2 m/s (C) 0.5 m/s (D) 1.5 m/s

Two blocks of mass 2 kg and 4 kg are kept in contact with each other on a smooth horizontal surface. A horizontal force of 12 N is applied on the first block due to which they move with certain constant acceleration. Calculate the force between the blocks.

Both the blocks as shown in figure are given together a horizontal velocity towards right. The acceleration of the centre of mass of the system of block is (m_(A) = 2m_(B) = 2kg) .

Two blocks of masses 1 kg and 2 kg are placed in contact on a smooth horizontal surface as shown in fig. A horizontal force of 6N is applied d(a) on a 1-kg block. Find the force of interaction of the blocks. .