Question

4. When do you say that work is done?​

Answer 1

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Work can be defined as transfer of energy. In physics we say that work is done on an object when you transfer energy to that object. If one object transfers (gives) energy to a second object, then the first object does work on the second object. Work is the application of a force over a distance.

Answer 2

Answer:

work is said to be done when force applied on the object moves it