1 Nov 2021
Problem 19a
Page 253
Section: Problems
Chapter 9: Static Equilibrium; Elasticity And Fracture
Textbook ExpertVerified Tutor
1 Nov 2021
Given information
We are given that:-
The uniform aluminum pole is long and has a mass . The mass of the traffic light is .
Step-by-step explanation
Step 1.
The pole is in equilibrium, so the net torque on it must be zero. From the free-body diagram
Use the formula for equilibrium:
Where, is the applied force and represents its corresponding distance from the rotational axis.
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