A boy of mass $50\ kg$ climbs up a vertical height of $100\ m$. Calculate the amount of potential energy he gains.

Academic Physics NCERT Class 9

As given, mass of the boy $m=50\ kg.$

Vertical height climbed $h=100\ m$

Therefore, potential energy $W=mgh$

$=50\ kg.\times9.8\ ms^{-2}\times100\ m$

$=4900\ Joule$

Therefore, the boy gained $4900\ Joule$ as potential energy.

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Updated on: 10-Oct-2022

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