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in Physics by (86.4k points)
A boy whose mass is 50 kg stands on a spring balance inside a lift. The lift starts to ascent with an acceleration of `2ms^(-2)`. The reading of the machine or balance `(g=10ms^(-2))` is
A. 50 kg
B. Zero
C. 49 kg
D. 60 kg

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1 Answer

0 votes
by (79.2k points)
Correct Answer - D

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