Home
Class 12
PHYSICS
In the diagram the wall and the interfac...

In the diagram the wall and the interface between blocks B and C are smooth. The value of F required to keep the whole system stationary is `:`

A

100N

B

80N

C

90N

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

Impending state of motion is a critical border line between static and dynamic states of a body A block of mass m is supported on a rough vertical wall by applying a rough vertical wall by applying a force F as shown in figure coefficient of static friction between block and wall is mu The block under the influence F sin theta may have a tendency to move upward or it may be assumed that F sin theta just prevents downward fall of the block read the above prevents downward fall of the block .Read the above passage carefully and answer the following question. if F is the force applied on the block as shown and F_("min") is the minimum value of force required to keep the block stationary . then choose the correct alternative.

In the shown figure the minimum value of F required to move the block A away from the wall is :

A block of mass m kg is pushed up against a wall by a force P that makes an angle 'theta' with the horizontal as shown in figure. The coefficient of static friction between the block and the wall is mu . The minimum value of P that allows the block to remain stationary is

In the arrangement shown in the figure, mass of the block B and A is 2m and m respectively. Surface between B and floor is smooth. The block B is connected to the block C by means of a string-pulley system. If the whole system is released, then find the minimum value of mass of block C so that A remains stationary w.e.t. B. Coefficient of friction between A and B is mu.

In the adjoining figure, the coefficient of friction between wedge (of mass M ) and block (of mass m ) is mu . Find the minimum horizontal force F required to keep the block stationary with respect to wedge.

Figure shows two block A and B pushed against the wall with the force F . The wall is smooth but the surfaces in contact of A and B are rough. Which of the following is true for the system of blocks to be at rest againts wall?

A block of mass m is pressed against a wall which is moving with an acceleration a as shown in figure If the block is pulled at an angle theta with downward vertical by a force F and it does not slide relative to the wall . Find the a. friction force between the block and wall b.inimum magnitude of F so as to cayse a relative sliding between the block and wall

Minimum horizontal force (F) required to move the block shown in diagram is__

Consider the situation shown in figure. The horizontal surface below the bigger block is smooth. The coefficient of friction between the blocks is mu . Find the minimum and the maximum force F that can be applied in order to keep the smaller block at rest with respect to the bigger block.

Two blocks A and B are lying on the table as shown in the figure. The coefficient of friciton between block A and block B is mu . The coefficient of friction between block B and ground also mu . An external force F is applied in the direction shown. The maximum value of the force F that can be applied without moving the blocks.