February 23, 2017

Homework Help: Physics(Please respond)

Posted by Hannah on Monday, May 28, 2012 at 4:23pm.

A 79.2-kg person stands on a scale in an elevator. What is the apparent weight when the elevator is (a) accelerating upward with an acceleration of 1.92 m/s2, (b) moving upward at a constant speed, and (c) accelerating downward with an acceleration of 1.89 m/s2

I was going to use the equation
FN = mg + ma in which we are given a and mg but I was not sure what to use for m.

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