ENGINEERING FUNDAMENTALS
6th Edition
ISBN: 9781337705011
Author: MOAVENI
Publisher: CENGAGE L
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Chapter 10, Problem 29P
A structural member with a rectangular cross section as shown in the accompanying figure is used to support a load of 2000 N. What type of material do you recommend be used to carry the load safely? Base your calculations on the yield strength and a factor of safety of 2.0.
Problem 10.29
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Consider a 1 m-long bar of 2024-T81 aluminum alloy with a 20mm-diameter and the following property data:
E=70GPa
Y.S.=410MPa
T.S.=480MPa
%Elongation at failure=8%
What will be the length of the bar under a structural load of 1.2×10^5N in tension? Your answer should be in units of meters (m).
A specimen is originally 300mm long, has a diameter of 14mm, and is subjected to a force of 2 kN. When the force is increased from 2 kN to 8 kN, the specimen elongates 0.225 mm.
Determine the modulus of elasticity for the material if it remains linear elastic.
Express your answer to three significant figures and include the appropriate units.
Please answer ASAP!
STRENGTH OF MATERIALS (Please write the complete solutions and FBD/Free-Body Diagram legibly. No long explanation needed. Rate/Thumbs up will be given. Answer in 3 Decimal Places)
Chapter 10 Solutions
ENGINEERING FUNDAMENTALS
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