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April 16, 2014

Homework Help: Physics Really need help!!!

Posted by collegechick306 on Thursday, July 28, 2011 at 6:47pm.

A 3.0-m-long rigid beam with a mass 130 kg is supported at each end. An 90 kg student stands 2.0 m from support 1.

How much upward force does support 1 exert on the beam?

How much upward force does support 2 exert on the beam?

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