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March 27, 2015

Homework Help: physics

Posted by john on Sunday, December 14, 2008 at 7:18pm.

a uniform beam of weight 420 N and length 3.2 m is suspended horizontally. On the left it is hinged to a wall; on the right is it supported by a cable bolted to the wall at distance D above the beam. The least tension that will snap the cable is 1200 N.

(a) What value of D corresponds to that tension?
m

(b) Give any value for D that won't snap the cable.
m

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