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Problem

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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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