A 90-kg stands on a scale in an elevator. What does the scale read when (a) the elevator is ascending with an acceleration of 1.5 m/s2, (b) it is ascending at a constant velocity of 3.00 m/s, (c) it decelerates at 1.5 m/s2,

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter6: Applications Of Newton's Laws
Section: Chapter Questions
Problem 40P: A service elevator takes a load of garbage, mass 10.0 kg, from a floor of a skyscraper under...
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A 90-kg stands on a scale in an elevator. What does the scale read when (a) the elevator is
ascending with an acceleration of 1.5 m/s2, (b) it is ascending at a constant velocity of 3.00 m/s,
(c) it decelerates at 1.5 m/s2, (d) it descends at a constant velocity of 3.00 m/s, and (e) the cable
breaks and the elevator is in free-fall?

 

Physics: Dynamics

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