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April 20, 2014

Homework Help: physics: Torque

Posted by neesa on Monday, January 30, 2012 at 6:37pm.

1. A plank of negligible weight 3.5 m long rests with one end on a rock and the other end on a scale. A woman is standing on the plank 1.0 m from the rock making the scale read 120 N. How much does the woman weigh?

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