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NEET 2021 Model Test Paper 2

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Question : 10

Total: 180

A body of mass 32 kg is suspended by a spring balance from the roof of a vertically operating lift and going downward from rest. At the instant the lift has covered 20 m and 50 m, the spring balance showed 30 kg and 36 kg respectively.
Then the velocity of the lift is

decreasing at 20 m and increasing at 50 m.
increasing at 20 m and decreasing at 50 m.
continuously decreasing at a steady rate throughout the journey.
constantly increasing at constant rate throughout the journey.

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