A spring balance is attached to the ceiling of a lift. A man hangs his bag on the spring and the spring balance reads 49 ~N , when the lift is stationary. If the lift moves downward with an acceleration of 5 ~m / s ^2 , the reading of the s

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A spring balance is attached to the ceiling of a lift. A man hangs his bag on the spring and the spring balance reads 49 ~N , when the lift is stationary. If the lift moves downward with an acceleration of 5 ~m / s ^2 , the reading of the spring balance will be

Quantrex Academy · Accepted Answer

Correct answer: C. 24 N

aligned & W =49 ~N & m = W g = 49 9.8 =5 ~kg & ~W ^ = W - ma =49-5 5=49-25 & =24 ~N aligned

A spring balance is attached to the ceiling of a lift. A man hangs his bag on the spring and the spring balance reads 49 ~N , when the lift is stationary. If the lift moves downward with an acceleration of 5 ~m / s ^2 , the reading of the spring balance will be

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