Determine the tension developed in cables OD and OB and the strut OC, required to support the 50-kg crate. The spring OA has an unstretched length of 0.8 m and stiffness kOA = 1.2 kN/m The force in the strut acts along the axis of the strut.

Determine the force in member CG of the truss. Set P₁ = 13 kN, P₂² = 18 kN. Input tension as a positive number and compression as a 1 negative number. Supply your answer in kN. G -1.5 m 1.5 m 1.5 m- P₁ F -1.5 m- P₂ 2 m E

The 41-lbrectangular access door is held in the 90° open position by the single prop CD. Determine the force Fin the prop and the magnitude of the force normal to the hinge axis AB in each of the small hinges A and B. Assume a= 22 in., b= 36 in., c- 13 in., d= 49 in. Answers: F= Ib A- Ib B- Ib

Determine the force in members GD of the truss. State if the members are in tension or compression. Take that P1 = 9 kN , P2 = 21 kN and P3 = 16 kN. Tension is (+) and Compression is (-) G 1 H 2 m B 2 m- -2 m- 2 m -2 m- P1 P3 P2