A 2 m 2m F F F 45% 2m B GOOOOO 2 m If the roller at B can sustain a maximum load of 3 kN along the 45 degree angle as shown, determine the largest magnitude of each of the three foces F that can be supported by the truss.

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Find: AB AE BC CE CD DE Determine the force in each member of the loaded truss. All triangles are isosceles. Forces are positive if in tension, negative if in compression. 3.9 m 3.9 m E Answers: AB= i KN D 3.2 m 120° I B C 11 kN 18 KN

Determine the force in each member of the loaded truss. The forces are positive if in tension, negative if in compression. Part 1 B AD 50° CD AD = Correct Answers: CD= 3.1 m The Free-Body diagram for joint Dis drawn assuming that all internal forces are in tension. Solve for the forces in AD and CD. The forces are positive if in tension, negative if in compression. 50% 50 6.2 m -3020.7586 3600 N 4699.4662 D 50° D N 3600 N N