Question

What are the essential conditions that must be fulfilled for a work to be done?

Answer 1

Answer:

The following are the essential conditions for a work to be done :

(a) The object should experience an unbalanced force .

(b) The object should undergo a non-zero displacement .

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Answer 2

Answer:

For work to be done, it is essential that some force is applied to the object and the object displaces from its initial position. If these two conditions are satisfied, then the work is done. So, work done= force x displacement or w= f x s.