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प्रश्न
State whether work is done or not, by writing yes or no, in the following case:
A man pushes a wall.
विकल्प
Yes
No
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उत्तर
No
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संबंधित प्रश्न
Can there be displacement of an object in the absence of any force acting on it? Think. Discuss this question with your friends and teacher.
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Choose one or more correct alternatives.
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- energy
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What is the work done against gravity when a body is moved horizontally along a frictionless surface?
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Work done by this force at any instant is ______.
