Ch10-p083 - 83 The magnitude of torque is the product of the force magnitude and the distance from the pivot to the line of action of the force In

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83. The magnitude of torque is the product of the force magnitude and the distance from the pivot to the line of action of the force. In our case, it is the gravitational force that passes through the walker’s center of mass. Thus, . I rF rmg τα === (a) Without the pole, with 2 15 kg m I =⋅ , the angular acceleration is 2 2 2 (0.050 m)(70 kg)(9.8 m/s ) 2.3 rad/s . 15 kg m rF rmg II α == = = (b) When the walker carries a pole, the torque due to the gravitational force through the
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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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