Somebody hung a bunch of bananas on a spring scale (like those in the produce se

Question

Somebody hung a bunch of bananas on a spring scale (like those in the produce section at Giant) and hung the spring scale from the overhead in a freight elevator. He wants to transport the bananas from the loading dock on the third floor to a basement market. The weight of the bananas is 42.3 N. The machinery winch in the elevator machine room accelerates the elevator at a rate of 2.5 m/s2.

a) You are operating the elevator and watching what is happening. While the elevator is reaching the bottom floor and beginning to

Explanation / Answer

A) N =m(g-a)=31.47 N.............. B)N =m(g+a).... 1 pound = 0.453 kg .... hence N =79.59 N

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