Two wires of unknown compositions, same length, and same diameter were made to support a rod, which supports another heavy weight w. As w was moved farther from A but closer to B, it snapped out. Which of the following is a true statement? A B O B has lesser Young's modulus than A. A and B have the same Young's modulus. A has lesser Young's modulus than B. None of the given choices.

Two wires of unknown compositions, same length, and same diameter were made to support a rod, which supports another heavy weight w. As w was moved farther from A but closer to B, it snapped out. Which of the following is a true statement? A B O B has lesser Young's modulus than A. A and B have the same Young's modulus. A has lesser Young's modulus than B. None of the given choices.

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Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Mechanical Properties of Solids

There are three types of matter- solid, liquid and gas. Out of them, solids have a rigid shaped and size. The intermolecular forces of attractions in solids are greatest. Mechanical properties are the physical properties of a material which it shows, when it is provided with certain amount of force or load. These properties are to be kept in mind for various purposes. When a force is applied to an object, the object may or may not get deformed depending upon its elastic property. But every time the object develops a restoring force against the force applied. This is commonly known as stress. If the object changes its dimensions due to the force applied it develops strain ( which is the ratio of change in dimension to the original dimension).

Question

Two wires of unknown compositions, same length, and same
diameter were made to support a rod, which supports another
heavy weight w. As w was moved farther from A but closer to B,
it snapped out. Which of the following is a true statement?
A
B
O B has lesser Young's modulus than A.
A and B have the same Young's modulus.
A has lesser Young's modulus than B.
None of the given choices.

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