A coil spring with 5 cm outside diameter is required to work under the load of 190 N. The wire diameter is 5 mm, the spring is to have 6 active coils and the ends are to be closed and ground. Determine the total number of coils. The modulus of rigidity is 80 Gpa, and the mean radius is to be 23 mm, with 7 mm pitch of the spring. Answer: B A. 6.5 coils B. 8.5 coils C. 7.5 coils D. 9.5 coils

A coil spring with 5 cm outside diameter is required to work under the load of 190 N. The wire diameter is 5 mm, the spring is to have 6 active coils and the ends are to be closed and ground. Determine the total number of coils. The modulus of rigidity is 80 Gpa, and the mean radius is to be 23 mm, with 7 mm pitch of the spring. Answer: B A. 6.5 coils B. 8.5 coils C. 7.5 coils D. 9.5 coils

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter2: Axially Loaded Members

Section: Chapter Questions

Problem 2.2.12P: A small lab scale has a rigid L-shaped frame ABC consisting of a horizontal aim AB (length b = 30...

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