Question

give an example of sitution in which force is applied but no work is done
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Answer 1

Answer:

if a person is pushing a wall so in that case he is applying force but the wall is not moving. if work is done then there must be some displacement but in the case mentioned above the wall is not moving hence no work is done.

hope this helps you

Answer 2

for circular motion, at centripetal force always acts at right angles to the motion. It's change the direction of motion, but it does no work on object.

This can be applied to any circular orbit.

Explanation:

if u are a student of class 7, 8 ,9 the previous ( wall) answer will be gud for u bcoz it is easy.

but if u in 10 ,or 12 this will be best...

hope this will help u.....