Home
Class 12
PHYSICS
A man pushes against a wall but fails to...

A man pushes against a wall but fails to move it. He does

A

negative work

B

positive but not maximum work

C

maximum positive work

D

no work at all

Text Solution

Verified by Experts

The correct Answer is:
D
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • WORK ENERGY AND POWER

    VMC MODULES ENGLISH|Exercise EFFICIENT|50 Videos

  • WAVE MOTION

    VMC MODULES ENGLISH|Exercise JEE ADVANCED ARCHIVE LEVEL 2 (TRUE FALSE TYPE)|4 Videos

Similar Questions

Explore conceptually related problems

A man pushes a wall and fails to displace it.He does

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 1 kg block is being pushed against a wall by a force F=75N as shown in the figure. The coefficient of friction is 0.25. The magnitude of acceleration of the block is:

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

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

Does the transfer of energy take place when you push a huge rock with all your might and fail to move it ? Where is the energy you spend going ?

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 ladder 13 m long is leaning against a wall. The bottom of the ladder is pulled along the ground away from the wall at the rate of 4 m/sec. Find the rate of decreasing at which the top of the ladder moving downwards on wall when the foot of the ladder is 5 m away from the wall.

A block of mass 5 kg is held against a wall with a force of 100 N . as shown om figure. It is moved horizontally slowly by applying a force parallel to the wall. Then the fricational force on the block due to wall is 25x newton. Find x . (Given mu = 0.5 and g = 10 m//sec^(2) )

A 15 m long ladder reached a window 12 m highfrom the ground on placing it against a wall at a distance a. Find the distance of the foot of theladder from the wall.

Home
Profile