Consider the uncompressed spring below, made of A227 HD steel. In this spring, turn of cach end is squared. (This configuration is not in Table 10-1, manual counting will be needed.) a. Find the pitch, solid length, and number of active turns. b. Find the spring rate. c. What force is necessary to close the spring solid? d. Assuming the maximum allowable torsional shear stress is 50% of Su find the shear stress in the spring and its static factor of safety for yielding when closed solid. 4 in 2 in te0.135 in

Consider the uncompressed spring below, made of A227 HD steel. In this spring, turn of cach end is squared. (This configuration is not in Table 10-1, manual counting will be needed.) a. Find the pitch, solid length, and number of active turns. b. Find the spring rate. c. What force is necessary to close the spring solid? d. Assuming the maximum allowable torsional shear stress is 50% of Su find the shear stress in the spring and its static factor of safety for yielding when closed solid. 4 in 2 in te0.135 in

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 2.8.10P: A bumping post at the end of a track in a railway yard has a spring constant k = 8.0 MN/m (see...

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A bumper for a mine car is constructed with a spring of stiffness k = 1120 lb/in. (see figure). If a car weighing 3450 lb is traveling at velocity v = 7 mph when it strikes the spring, what is the maximum shortening of the spring?
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A typical compound helical spring consists of two coaxial closed coil spring having the following particulars: Outer spring 1: mean coil diameter = 100 mm Wire diameter = 12.5 mm No. of turns = 15 Inner spring 2: mean coil diameter = 75 mm No. of turns = 20Both the springs are of equal initial length when unloaded. Ifthe working stress for each spring is to be same. The modulus of rigidity for the wire material is 80 GPa. Calculate the following:a. Diameter of steel wire for inner spring. b. Stiffness of inner springc. Stiffness of the compound spring. I need answer ASAP. Thank you!
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