Problem: At the gym An athlete at the gym holds a 3.0kg steel ball in her...

Question

Question

Problem: At the gym

An athlete at the gym holds a 3.0kg steel ball in her hand. Her arm is 70cm long and has a mass of 4.0kg.

What is the magnitude of the torque about her shoulder if she holds her arm:

a) straight out to her side, parallel to the floor?

b) straight, but 45◦ below horizontal?

Answer 1

Answer #1

Answer 2

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