Question

give one example of negative and zero work done​

Answer 1

Negative work done=propultion of rockets

Zero work done = man carrying a load on his head an moving forward

Answer 2

⏯️⏯️⏯️negative work done :-

The work done by Gravitational force when we climb on a tree.

⏯️⏯️⏯️zero work done :-

a block is moving on a smooth horizontal surface, no work is done.

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