A rock (weight 25 N) is suspended from a cable attached to the ceiling of a moving elevator. If the tension in the cable is 20 N, what is the acceleration of the elevator?

University Physics Volume 1
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ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter5: Newton's Law Of Motion
Section: Chapter Questions
Problem 34P: A car with a mass of 1000.0 kg accelerates from 0 to 90.0 km/h in 10.0 s. (a) What is its...
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A rock (weight 25 N) is suspended from a cable attached to the ceiling of a moving elevator. If the tension in the cable is 20 N, what is the acceleration of the elevator?

A rock (weight 25 N) is suspended from a cable attached to the ceiling of a moving elevator. If
the tension in the cable is 20 N,
what is the acceleration of the elevator ?
of
O a. 2 m/s2 upward
Ob. 0.2 m/s2 downward
C.
2 m/s2 downward
Od.
the elevator is moving at constant speed.
Transcribed Image Text:A rock (weight 25 N) is suspended from a cable attached to the ceiling of a moving elevator. If the tension in the cable is 20 N, what is the acceleration of the elevator ? of O a. 2 m/s2 upward Ob. 0.2 m/s2 downward C. 2 m/s2 downward Od. the elevator is moving at constant speed.
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