Force = mass * acceleration
if standing on scale in elevator
Fup from scale - m g = m a
Chapter 4, Problem 36
Incorrect.
A 77.2-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 1.66 m/s2, (b) moving upward at a constant speed, and (c) accelerating downward with an acceleration of 1.42 m/s2?
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