static homework

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Engineering

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i have 10 problems that would be an easy for who's good at static. ..

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Module 5: Chapter 5 – Equilibrium of a Rigid Body 1. Determine the tension in the cable and the horizontal and vertical components of reaction of the pin A. The pulley at D is frictionless and the cylinder weighs 80 lb. 2. Determine the magnitude of force at the pin A and the cable BC needed to support the 500 lb load. Neglect the weight of the boom AB. 3. Determine the stiffness k of each spring so that the 30 N force causes the bar to tip θ = 15° when the force is applied. Originally the bar is horizontal and the springs are unstretched. Neglect the weight of the bar. 2 4. If rope BC will fail when the tension becomes 50 kN, determine the greatest vertical load F that can be applied to the beam at B. What is the magnitude of the reaction at A for this loading? Neglect the thickness of the beam. 5. Determine the components of reaction at the fixed support A. The 400 N, 500 N, and 600 N forces are parallel to the x, y, and z axes, respectively. 3 Module 6: Chapter 6 – Structural Analysis 6. Determine the force in each member of the truss and state if the members are in tension or compression. 4 7. Determine the force in each member of the truss and state if the members are in tension or compression. Set P1 = 9 kN, P2 = 15 kN 8. Determine the force in members AF, BF, and BC, and state if the members are in tension or compression. 5 9. Determine the force in members JK, CJ, and CD of the truss, and state if the members are in tension or compression. 10. A man having a weight of 175 lb attempts to hold himself using one of the two methods shown. Determine the total force he must exert on bar AB in each case and the normal reaction he exerts on the platform at C. Neglect the weight of the platform. 6
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