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22-01-2024
Physics

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A spring balance,which is suspended from the roof of a lift, carries a mass of 1kg at its free end. If the lift accelerates upwards at 2.5ms⁻², determine the reading on the spring balance. g = 10ms⁻²
A. 24.0N
B. 12.5N
C. 7.5N
D. 4.0N

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