In which case work is not done: - Vidyadip

MCQ

In which case work is not done:

A
A girl swimming in a pond.
B
A windmill lifting water from a well.
✓
A standing man holding a suit case in his hand.
D
A sail boat moving in the direction of wind.

✓

Answer

Correct option: C.

A standing man holding a suit case in his hand.

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