AP Classroom

Degree Level: Pre-college

 

Question:

All four forces are exerted on the stick that is initially at rest. What is the angular momentum of the stick
after 2 s? (I know the answer is 150 kg&m^2 / s, but I want to know why that is)
Screenshot 2021 03 11 at 8.59.39 PM
 
 

 

Answer:

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