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प्रश्न
State whether work is done or not, by writing yes or no, in the following case:
A boy climbs up 20 stairs.
पर्याय
Yes
No
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उत्तर
Yes
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संबंधित प्रश्न
Write an expression for the work done when a force is acting on an object in the direction of its displacement.
A man lifts a mass of 20 kg to a height of 2.5 m. Assuming that the force of gravity on 1 kg mass is 10 N, find the work done by the man.
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Look at the activity below. Reason out whether or not work is done in the light of your understanding of the term ‘work’.
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Look at the activity below. Reason out whether or not work is done in the light of your understanding of the term ‘work’.
An engine is pulling a train.
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