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Question
When a lift is going up, the potential energy of the person with respect to earth inside a lift remains the same.
Options:
A .  True
B .  False
C .  50 W
D .  70 W
Answer: Option B
:
B
Potential energy depends on the position of an object with respect to a reference point. In this case, the earth is the reference point. A man on a lift going up, gains height with respect to the earth.
Thus, the potential energy of the person inside the lift increases.

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