4. A traffic light hangs from a pole as shown below. The uniform aluminum pole AB is 8.0 m long and has a mass of 9.0 kg. If the tension in the horizontal (CD) cable is 400 N, what torque does the tension produce around point A? a. b. What is the mass of the stoplight? c. What are the forces (in the x and y directions) on the hinge at point A? в 37 3.80 m
4. A traffic light hangs from a pole as shown below. The uniform aluminum pole AB is 8.0 m long and has a mass of 9.0 kg. If the tension in the horizontal (CD) cable is 400 N, what torque does the tension produce around point A? a. b. What is the mass of the stoplight? c. What are the forces (in the x and y directions) on the hinge at point A? в 37 3.80 m
College Physics
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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
Transcribed Image Text:4. A traffic light hangs from a pole as shown below. The uniform aluminum pole AB is 8.0 m long and
has a mass of 9.0 kg.
If the tension in the horizontal (CD) cable is 400 N, what torque does the tension produce
around point A?
a.
b. What is the mass of the stoplight?
c.
What are the forces (in the x and y directions) on the hinge at point A?
в
37
3.80 m
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