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There is truss that is an upsidown triangle, with two twenty degree angles and is hooked up to four members with pin joints (On the right side of the upsidown triangle truss the fourth member goes straight up from a pin joint on the floor to the right side of the triangle). On the left end there is 4,000 N worth of force pushing down. Half a meter along the x direction the top of the upsidown triangle is hooked up to a pin joint to the floor, the entire truss in 1 meter. On the right side of the truss there is 6,000 N worth of force going in the possitive x direction.
1) Neglect the weights of the members. Use the simplified method for trusses to calculate the external force vectors on each member.
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