A body A is placed on a railway platform and an identical body B in a moving train. Which of the following energies of B are greater than those of A, as seen from the ground?
(a) Kinetic
(b) Total
(c) Mechanical
(d) Internal
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when a body A is placed on a railway platform and an identical body B is placed in a moving train, (a) kinetic energy, (b) total energy and (c) mechanical energy of the body B are greater than those of A, as seen from the ground.
Explanation:
- This is because the body B exhibits kinetic energy and potential energy, whereas the body A exhibits only potential energy.
- Also, we know that the total energy and mechanical energy which is the sum of potential and kinetic energy also increases due to motion along with the train.
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