staticsfinalb_spring091

# staticsfinalb_spring091 - Final Exam ME2364 Name 1(20...

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Final Exam ME2364 Name _________________ 1. (20 points) A sailor is being rescued using a boatswain’s chair that is suspended from a pulley that can roll freely on the support cable ACB and is pulled at a constant speed by cable CD . Knowing that α = 30° and β = 10° and that the combined weight of the boatswain’s chair and the sailor is 125 kg, determine the tension (a) in the support cable ACB , (b) in the traction cable CD .

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2. (20 points) The telescoping arm ABC is used to provide an elevated platform for construction workers. The workers and the platform together have a mass of 200 kg and have a combined center of gravity located directly above C . For the position when θ = 20 °, determine (a) the force exerted at B by the single hydraulic cylinder BD , (b) the force exerted on the supporting carriage at A .
3. (20 points) Locate the center of mass (x, y, z) of the homogenous block assembly.

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staticsfinalb_spring091 - Final Exam ME2364 Name 1(20...

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