ch12-p018 - 18. Our system consists of the lower arm...

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18. Our system consists of the lower arm holding a bowling ball. As shown in the free-body diagram, the forces on the lower arm consist of T G from the biceps muscle, F G from the bone of the upper arm, and the gravitational forces, mg G and Mg G . Since the system is in static equilibrium, the net force acting on the system is zero: net, 0( ) y F TF mMg == + ¦ In addition, the net torque about O must also vanish: net ) ( ) ( 0 ) ( ) ( ) ( ) O dT F Dm
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.

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