Scientifically, work is said to be done in which of the following cases

Manish pulls the trolley for a certain distance

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Manoj pushes the wall with no change in the position of wall

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Mira studies for her exam

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Mira pulls the wall with no change in the position of wall

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Solution

The correct option is A
Manish pulls the trolley for a certain distance

Work is done when a force is applied and that force brings about some change in the position of the body.

Suggest Corrections

Similar questions

State whether work is done or not by writing yes or no, in the following cases:

(a) A man pushes a wall.

(b) A coolie stands with a box on his head for 15 min.

m

v

θ

600 g m

5 m s^{- 1}

30^{o}

k g s^{- 1}

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