E) If the arm only weighs 41.5 N, why are F, and F, so much larger? Is there a conceptual reason that the forces on the muscles and bones are so much larger than the force of gravity?
E) If the arm only weighs 41.5 N, why are F, and F, so much larger? Is there a conceptual reason that the forces on the muscles and bones are so much larger than the force of gravity?
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Transcribed Image Text:E) If the arm only weighs 41.5 N, why are F, and F, so much larger? Is there a conceptual
reason that the forces on the muscles and bones are so much larger than the force of
gravity?
Transcribed Image Text:The arm in figure P8.7 weighs Fg
41.5 N. The weight of the arm acts through point A as
shown.
12°
F,
*0.080 m
-0.290 m -
P8.7 from Serway and Vuille 9th Ed.
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