A 35.0 kg mass hangs from a steel wire. The unloaded length of the wire is 3.05 m and it has a diameter of 1.024 mm. How much is the wire stretched (mm) when the mass is added? Young's modules for steel is 2.00 × 10¹¹ N/m². 199

A 35.0 kg mass hangs from a steel wire. The unloaded length of the wire is 3.05 m and it has a diameter of 1.024 mm. How much is the wire stretched (mm) when the mass is added? Young's modules for steel is 2.00 × 10¹¹ N/m². 199

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter14: Static Equilibrium, Elasticity, And Fracture

Section: Chapter Questions

Problem 57PQ: A copper rod with length 1.4 m and cross-sectional area 2.0 cm2 is fastened to a steel rod of length...

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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

A 35.0 kg mass hangs from a steel wire. The unloaded length of the wire is 3.05 m and it has a diameter of 1.024 mm. How much is the
wire stretched (mm) when the mass is added? Young's modules for steel is 2.00 x 10¹¹ N/m².
O 19.9
O 7.44
O 0.651
O 6.35
O 13.8
O 0.273
O 3.18
O 5.35
4.28
O 1.59

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