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April 28, 2015

Homework Help: physics

Posted by jokilljhi on Saturday, November 9, 2013 at 1:26pm.

Two children hang by their hands from the same tree branch. The branch is straight, and grows out from the tree at an angle of 23 above the horizontal. One child, with a mass of 59 kg, is 1.8 m along the branch from the tree trunk. The other child, with a mass of 49 kg, is 2.3 m along the branch from the tree trunk. What is the magnitude of the net torque exerted on the branch by the children? Assume that the axis is located where the branch joins the tree trunk and is perpendicular to the plane formed by the branch and the trunk.

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