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1) Force person jointly lift a …

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1) Force person jointly lift a 250kg box to a height of 1m and hold it i)Calculate the work done by the person in lifting the box? ii) How much work is done for just holding the box ?

Posted by Minu Dalei 3 years, 7 months ago

CBSE > Class 09 > Science

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CBSE > Class 09 > Science