A lift is descending with a constant velocity `v’. A man in the lift drops a coin.The coin experiences an acceleration towards the floor equal to:
A
g + v
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B
g - v
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C
g
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D
Zero
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Solution
The correct option is C g Since the lift is moving down with constant velocity, it encounters no acceleration in the downward direction.So the coin experiences only acceleration due to gravity, which is g.