Two blocks each of mass m = 3.90 kg are fastened to the top of an elevator as in the figure below. (a) If the elevator accelerates upward at 1.6 m/s?, find the tensions T, and T2 in the upper and lower strings. N N T2 (b) If the strings can withstand a maximum tension of 99.0 N, what maximum acceleration can the elevator have before the first string breaks? m/s? 1.60 m/s m m

College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter4: The Laws Of Motion
Section: Chapter Questions
Problem 21P: Two blocks each of mass m are fastened to the top of an elevator as in Figure P4.56. The elevator...
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Two blocks each of mass m = 3.90 kg are fastened to the top of an elevator as in the figure below.
(a) If the elevator accelerates upward at 1.6 m/s?, find the tensions T, and T, in the upper and lower strings.
N
N
T2
(b) If the strings can withstand a maximum tension of 99.0 N, what maximum acceleration can the elevator have before the first string breaks?
m/s?
1.60 m/s
m
m
Transcribed Image Text:Two blocks each of mass m = 3.90 kg are fastened to the top of an elevator as in the figure below. (a) If the elevator accelerates upward at 1.6 m/s?, find the tensions T, and T, in the upper and lower strings. N N T2 (b) If the strings can withstand a maximum tension of 99.0 N, what maximum acceleration can the elevator have before the first string breaks? m/s? 1.60 m/s m m
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