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Each member of the truss is a uniform 20-ft bar weighing 400 lb. Calculate the average tension or compression in each member due to the weights of the members

Question-Answer › Category: Engineering Mechanics › Each member of the truss is a uniform 20-ft bar weighing 400 lb. Calculate the average tension or compression in each member due to the weights of the members
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DME asked 1 year ago

 
Each member of the truss is a uniform 20-ft bar weighing 400 lb. Calculate the average tension or compression in each member due to the weights of the members.

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Mazurek Gravity answered 1 year ago

 
 


Consider the free body diagram at the joint D Resolve the forces vertically at the joint D -Fmsin 60°-W-0.5W-Far sin 60°=0 20

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