Question

What is the work done by a student who is reading a book while sitting on a bench?

Answer 1

Work done is 0 as no displacement takes place.

Work = force X displacement

Answer 2

Work done by the student, W = 0

Explanation:

The work done by an object is given in terms of force and the displacement. It is given by :

$W=Fd\ cos\theta$

It is mentioned that a student is reading a book while sitting on a bench. We need to say about the work done by the student. It is clear that there is no displacement of the student. He is not moving at all. So, the work done but the student is 0. Hence, no work is done.

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