(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

A 50 kg sign is hanging at the end of a 3 m long beam. The beam is held in place by a hinge at the wall and a wire attached to the wall and the end of the beam at 30 degrees. The beam has a uniform mass of 20 kg. Find the tension in the wire.

2. Relevant equations

3. The attempt at a solution

i pretty much drew the picture and free body diagrams and realized torque net= 0 = torque sign + torque of cable= torque beam.

i found torque of sign=490 torque of beam= 98 and torque of cable=T(tension force)sin150 i solved for T and got 1176.

I need to know if i am right because i feel like i need to solve a net force problem and is the answer 1176 or -1176?

Thanks for anyone's help

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# Homework Help: Another wonderful Torque problem

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