A rectangular bar of length L has a slot in the central half of its length. The bar has width b, thickness t, and elastic modulus E. The slot has width b/3. The overall length of the bar is L = 720 mm, and the elastic modulus of the material is 77 GPa. If the average normal stress in the central portion of the bar is 150 MPa, calculate the overall elongation ō of the bar. Answer: 6 = i 6/3 mm

A rectangular bar of length L has a slot in the central half of its length. The bar has width b, thickness t, and elastic modulus E. The slot has width b/3. The overall length of the bar is L = 720 mm, and the elastic modulus of the material is 77 GPa. If the average normal stress in the central portion of the bar is 150 MPa, calculate the overall elongation ō of the bar. Answer: 6 = i 6/3 mm

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter13: Vibrations And Waves

Section: Chapter Questions

Problem 7P: A spring 1.50 m long with force constant 475 N/m is hung from the ceiling of an elevator, and a...

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