A 15.1 kg monkey hangs from a cord suspended from the ceiling of an elevator. The cord can withstand a tension

Question

A 15.1 kg monkey hangs from a cord suspended from the ceiling of an elevator. The cord can withstand a tension of 300 N and may breaks when the elevator accelerates upward. What is the elevator's minimum acceleration at which the cord breaks?

Answer 1

From F = ma,

Weight = m * g

Monkey weights almost 150N at rest, so about 1g upward motion is the max.

Calculate max acceleration with 300N stength / 147N weight of monkey at 1g.

Answer 2

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