Question

when do we say that the work is done?

Answer 1

we say that a work is done

when there is a force applied on an object

there is a displacement of the position of the object

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Answer 2

Hey there!

We know,

Work = force * displacement

Here,

work ∝ force and work ∝ displacement

So, we can say that work is done when :

a) A force of certain magnitude acts on body

b) the body is displaced from it's initial point due to action of force.

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