Jaklynn429
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Homework Statement
An athlete at the gym holds a 2.2 kg steel ball in his hand. His arm is 74 cm long and has a mass of 4.0 kg. What is the magnitude of the torque about his shoulder if he holds his arm in each of the following ways?
1) Parallel out to his side
2) Straight but 35 M below the horizontal
Homework Equations
t=rf
The Attempt at a Solution
I don't even know how to start this one :(