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problem1) A tension Q is maintained in cord shown as it passes over pulleys of diameter d.

(a.) Neglecting weight of the rod and pulleys, express magnitude of the force P corresponding to equilibrium in terms of Q, a, d, and theta.

(b) Knowing that Q = 10 lb, a = 5 in, d = 0.8 in, and, theta=30 degrees, find out the magnitude P.

1168_Cord.jpg

problem2)  A motor delivers 500 hp to the shaft. Which is tubular and has an outer diameter of 2 in. If it is rotating at 236 rad/s. Find out its largest inner diameter if allowable shear stress for the material is? allow = 25 ksi. 1 hp = 550 ft*lb/s

395_Motor.jpg

Mechanical Engineering, Engineering

  • Category:- Mechanical Engineering
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