Question

Exercise 23 Given: Sections 5.2 & 5.4 (Lesson 8) MecMovies M6.7 An A36 steel shaft with a diameter of 1/2 in, is used to drive two identical lathes CC at B and C. (The lathes operate using a belt A. drive, with 1-ft diameter pulleys.) 1 ft x 1/2 in 1 ft R OO 2 ft .B _ -4 ft- Find: Each lathe requires a torque of 90 in.-lb to function properly. The motor at A drives both lathes. (a) Determine the maximum shear stress in the shaft. (b) Determine the angle of twist between ends A and C in degrees. (a) 7.33 ksi, (b) 7.01° Answers:

Answer 1

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