8. Centripetal Forces & Gravitation
Acceleration Due to Gravity
Multiple Choice
Multiple ChoiceSuppose the lengths of your upper arm, forearm, and hand are 30 cm, 25 cm, and 15 cm, respectively. Using the information on centers of mass from Figure 7.31, calculate the torque from gravity on your arm (including the hand) when it is outstretched, horizontally.
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