Calculate the work done by a student in lifting a 0.5kg book from the ground and keeping it on a shelf of 1.5m height (g=9.8)
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7.35 Joule
W= F s
= mgh
put values
0.5×9.8×1.5
solve it u will get 7.35
since SI unit of work is Joule , so this value is written like 7.35 joules
W= F s
= mgh
put values
0.5×9.8×1.5
solve it u will get 7.35
since SI unit of work is Joule , so this value is written like 7.35 joules
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2
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