A 5.0m long steel wire has a cross-sectional area of 0.55cm2 . Its proportional limit has a value of 0.0018 times its Young’s modulus. Its breaking stress has a value of 0.0065 times its Young’s modulus. The wire is fastened at its upper end and hangs vertically. (a) How great a weight can be hung from the wire without exceeding the proportional limit? (b) How much will the wire stretch under this load? (c) What is the maximum weight that the wire can support?
A 5.0m long steel wire has a cross-sectional area of 0.55cm2 . Its proportional limit has a value of 0.0018 times its Young’s modulus. Its breaking stress has a value of 0.0065 times its Young’s modulus. The wire is fastened at its upper end and hangs vertically. (a) How great a weight can be hung from the wire without exceeding the proportional limit? (b) How much will the wire stretch under this load? (c) What is the maximum weight that the wire can support?
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter12: Static Equilibrium And Elasticity
Section: Chapter Questions
Problem 60P: A 100-N weight is attached to a free end of a metallic wire that hangs from the ceiling. When a...
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A 5.0m long steel wire has a cross-sectional area of 0.55cm2
. Its proportional limit has a value of 0.0018 times its Young’s modulus. Its breaking stress has a value of 0.0065 times its Young’s modulus. The wire is fastened at its upper end and hangs vertically.
(a) How great a weight can be hung from the wire without exceeding the proportional limit?
(b) How much will the wire stretch under this load?
(c) What is the maximum weight that the wire can support?
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