prove-that-u-mgh-

Question Number 64092 by aliesam last updated on 13/Jul/19

p r o v e t h a t

u = m g h

Answered by ajfour last updated on 13/Jul/19

△ U = - W_{g}

U - 0 = - \int_{0}^{\bar{s}} (m \bar{g} . d \bar{s})

U = - \int_{0}^{h} (- m g d s)

U = m g h .

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