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प्रश्न
When is work said to be done by a force?
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उत्तर
Work is said to be done when a force moves an object through a distance in its own direction.
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संबंधित प्रश्न
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A boy does work while pushing a wall.
Fill in the blank:
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What is a lever?
Simple machines makes work easier by trading ______ for force.
