A body of mass 2kg is suspended from the ceiling of a lift with a...

WAEC 1996

A body of mass 2kg is suspended from the ceiling of a lift with a light inextensible string. lf the lift moves upwards with acceleration of 2ms-2, calculate the magnitude of the tension in the string (g = 1Oms-2)

A. 24N
B. 20N
C. 16N
D. 4N
E. 0N

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Correct Answer: Option A

Explanation

T - ma = mg
T = mg + ma = 2 x 10 + 2 x 2 = 24N

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A body of mass 2kg is suspended from the ceiling of a lift with a...

Correct Answer: Option A

Explanation

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