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MHT CET 2021 (20 Sep, Shift 1) · Apparent Weight & Lift

Apparent Weight & Lift question from MHT CET 2021 (20 Sep, Shift 1)

Q13MHT CET 2021 · 20 SEP · SHIFT 1Easy

Apparent Weight & Lift

The weight of a man in a lift moving upwards with an acceleration 'a' is 620 N. When the lift moves downwards with the same acceleration, his weight is found to be 340 N. The real weight of the man is

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Answer: (d)

Up: $m(g + a) = 620$ ; down: $m(g - a) = 340$ .
Add: $2mg = 960 \Rightarrow mg = 480$ N
So the answer is (d) 480 N.

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