A body of mass 10 kg is moving at a height of 2 m, with a uniform speed of 2 m/s. Its total energy is:
Correct answer: B. 216 J
- A. 316 J
- B. 216 J
- C. 392 J
- D. 416 J
Explanation
Bpth GPE and KE have to be calculated.(m x g x h)+(0.5 x m x v^2) = 216J
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Potential energy is energy stored because of position or configuration, including gravitational potential energy near Earth's surface and elastic energy in a stretched or compressed spring. Questions use changes in potential energy and conservation of mechanical energy, while distinguishing a chosen reference level from an absolute zero of energy.
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