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A body of mass 2kg is hung on a spring balance mounted vertically in a lift . If the lift descends with an acceleration equal to the acceleration due to gravity 'g' , the reading on the spring balance will be (A)2kg (B) (4×g)kg (C) (2×g)kg (D) Zero |
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Answer» A body of mass 2kg is hung on a spring balance mounted vertically in a lift . If the lift descends with an acceleration equal to the acceleration due to gravity 'g' , the reading on the spring balance will be (A)2kg (B) (4×g)kg (C) (2×g)kg (D) Zero |
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