In Physics, work is not done when you push a wall.

In Physics, reading a book and pushing a wall are considered to be work.

if work is done by the system then W is

When the work is done by the system, w is taken as ......

Pinto pushed a huge rock for 2 minutes. Although he felt very tired after this, the rock didn't move at all. According to Physics, how much work has Pinto done? Give reason for your answer.

State the following statements as true or false. a. The work done by a force on a body is equal to the dot product of the force and displacement of the body. b. Instantaneously, work is not defined. c. When several forces act on a body, the total work is the same as the work done by their resultant.

Calculate the work done when done when 1.0 mol of water at 373K vaporises against an atmosheric pressure of 1.0atm . Assume ideal gas behaviour.

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 ?

In a cyclic process, work done by the system is

Work done per unit time