Question

Calculate work done when a man raises a box of 50kg to a height of 2 m in 2 minuets

Answer 1

$given \\ m = 50 \: kg \\ h = 2 \: m \\ t = 2 \: minutes \\ w = find \\ \\ \\ \\ w = mgh \\ w = 50 \times 10 \times 2 \\ w = 1000 \: joule \\ if \: we \: divide \: work \: by \: time \: we \: get \: power \: \\ so \: we \: dont \: need \: time \: in \: this \: question$
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Answer 2

work done is zero because there is no displacement of weight