Question

Is it possible that an object is in the state of accelerated motion due to external force acting on it, but no work is being done by the force. Explain it with an example.​

Answer 1

Answer:

your answer is here !

Explanation:

Yes, it is possible, if an object is moving in a circular path because in that case the centripetal force always acts perpendicular to the direction of displacement.

For example: Consider the motion of earth around sun. The earth is constantly moving in a direction perpendicular to the gravitation pull of sun, hence work done by the gravitational force is zero.

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Answer 2

Explanation:

yes in case of vertically projected body it has acceleration but after some time it will come back again to the initial position

we know that displacement = final position-initial position

in this case displacement is zero

so work done =force × displacement

=force× 0

=o (zero)

so work done is zero in case of