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Back to 12.3 Stress, Strain, and Elastic Modulus

12.3 Exercise 7

Avg difficulty 2.5

Note: Unless stated otherwise, the weights of the wires, rods, and other elements are assumed to be negligible. Elastic moduli of selected materials are given in the table.

A thin wire strung between two nails in the wall is used to support a large picture. Is the wire likely to snap if it is strung tightly or if it is strung so that it sags considerably?

OpenStax University Physics Volume 1, 12.3 Stress, Strain, and Elastic Modulus, exercise 7

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Adapted from University Physics Volume 1 © 2016 Rice University. Licensed under CC BY 4.0. Source: University Physics Volume 1. Imported at revision db44eb9.