A 2 kg body is held at a height of 10 m above the ground. Its gravitational potential energy is (take $g = 10$ m/s², reference at ground):

1. A 100 J
2. B 200 J Correct answer
3. C 20 J
4. D 400 J

Solution

$U = mgh = 2 \times 10 \times 10 = 200$ J.

About this question

Subject: Physics · Chapter: Work, Energy and Power · Topic: Kinetic and Potential Energy

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