Find the gravitational potential energy of 2.5 kg
mass kept at a height of 15 m above the ground.
The force of gravity on mass 1 kg is 10 N.
Ans. 375 J
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Explanation:
mass, m= 2.5kg
acceleration due to gravity, g= 10m/s²
height, h = 15m
we know that potential energy
= mgh
= 2.5 × 10 × 15
= 25 × 15
= 375J
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