Question

3. When do we say that work is done?​

Answer 1

Answer:

The work is said to be done when force is applied on an object moves through a distance in the direction of application of force.

Answer 2

Answer:

Work is done whenever the given conditions are satisfied: A force acts on the body. There is a displacement of the body caused by the applied force along the direction of the applied force. The work W is equal to the force f times the distance d, or W = fd.