Home
Class 12
PHYSICS
A man thinks to remain in equilibrium by...

A man thinks to remain in equilibrium by pushing in his hands and feet against two vertical parallel walls as the shown in the figure :
a) He must exert equal forces on both walls
b) The forces of friction at both walls must be equal
c) The coefficients of friction between man and wall must be the same at both ends
d) Friction must be present on both walls.

A

a and b are correct

B

c and d are correct

C

a and d are correct

D

b and c are correct

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

If the normal force is doubled and limiting frictional force is maintained at the same value, the coefficient of friction

A man of mass 40 kg is at rest between the walls as shown in the figure. If mu between the man and the walls is 0.8, find the normal reactions exerted by the walls on the man.

A horizontal force of 10 N is necessary to just hold a block stationary against a wall. The coefficient of friction between the block and the wall is 0.2. The weight, of the block is:

Mas of man is 'm' There is no friction between man and black But 'mu' is coefficient of friction between block and floor. Maximum force that the man can exert on the rope so that the block does not slip on floor

A body is pushed against vertical wall as shown. If the coefficient of friction between the body and the wall is 0.5, the magnitude of acceleration of the block is 10 K. Where K is

A block of mass m is pressed against a vetical wall with a horizontal force F = mg, Anogher force F = mg//2 is acting vertically upon the block. If the coefficient of friction between the block and wall is 1//2. the force of friction between them is