A 6.0 kg object is suspended by a vertical string from the ceiling of an elevator which is accelerating upward at a rate of 2.18 ms −2 . The tension in the string is
A
11.38 N
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B
71.88 N
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C
48.32 N
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D
59.44 N
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Solution
The correct option is B 71.88 N T=m(g+a) T=6×(9.8+2.18) T=71.88