Question

In which of the following cases work not done ? 1. A porter is standing on the platform with luggage in his head, A player passing the basketball,A kid running on the ground, A water

Answer 1

ANSWER 1 A porter is standing on the platform with luggage in his head, Explanation:

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Answer 2

Answer:

A porter standing on the platform with luggage in his head

Explanation:

Work is the product of displacement and force in the direction of displacement. Here, even though the porter is applying force on the bag, the bag is not being displaced, and thus no work is done here.

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