Problem 405 | Method of Joints

Problem 405
Determine the force in each bar of the truss shown in Fig. P-405 caused by lifting the 120 kN load at a constant velocity of 8 m per sec. What change in these forces, if any, results from placing the roller support at D and the hinge support at A?
 

405-truss-pulley.gif

 

Solution 405

 
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