A 2m high person is holding a 25kg trunk on his head and is standing at a roadways bus- terminus. how much work is done by the person ?

We have to use the formula for work done

W = Force x Displacement

Although the man is applying a force to support the weight of the bag, the object is not being displaced and stays at the same position at all times. Hence, the work done will be zero as the displacement is zero.

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