The brass rod shown in Fig. 3 has a diameter of 20 mm. The collar D moves along the rod and strikes the metal plate attached at the lower end. If E = 100 GPa, determine the strain energy and instantaneous elongation when (i) the collar D weighs 1000 N and falls through a height of 5 mm, and (ii) the collar 10 N and veighs falls through a of height 500 mm. I Collar D

The brass rod shown in Fig. 3 has a diameter of 20 mm. The collar D moves along the rod and strikes the metal plate attached at the lower end. If E = 100 GPa, determine the strain energy and instantaneous elongation when (i) the collar D weighs 1000 N and falls through a height of 5 mm, and (ii) the collar 10 N and veighs falls through a of height 500 mm. I Collar D

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter7: Analysis Of Stress And Strain

Section: Chapter Questions

Problem 7.7.25P: On the surface of a structural component in a space vehicle, the strains arc monitored by means of...

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An element of material in plain strain is subjected to strains x = 0.0015, , y . = -0.0002, and xy = 0.0003. (a) Determine the strains for an element oriented at an angle = 20°. (b) Determine the principal strains of the element. Confirm the solution using Mohr’s circle for plane strain.
- 7.2-26 The strains on the surface of an experiment al device made of pure aluminum (E = 70 GPa. v = 0.33) and tested in a space shuttle were measured by means of strain gages. The gages were oriented as shown in the figure. and the measured strains were = 1100 X 106, h = 1496 X 10.6, and = 39.44 X l0_. What is the stress o in the x direction?
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On the surface of a structural component in a space vehicle, the strains arc monitored by means of three strain gages arranged as shown in the figure. During a certain maneuver, the following strains were recorded: e, = 1100 X l0_6, 6h = 200 X lO_6, and e = 200 X 10-6. Determine the principal strains and principal stresses in the material. which is a magnesium alloy for which E = 6000 ksi and v = 0.35. Show the princ ipal strains and principal stresses on sketches of properly oriented elements.
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