A boy lifted a small carton of 2 kg mass...

A boy lifted a small carton of 2 kg mass from the ground and placed it on his head. If the height of the boy is (1.5m), then calculate the work done `("Take g"=10m//s^(2))`.

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Work = Force `xx` Displacement
= Weight of the carton `xx` Height of the boy
`= 2 xx 10 xx 1.5 = 30` Joule

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