A 20 kg chandelieris suspended from the ceiling by four vertical steel wires. Each wire has an unloaded length of 1 mand a diameter of 2 mm, and each bears an equal load. When the chandelier is hung, how far do the wires stretch? , given that the steel Young's modulus of elasticity is 2 x10" N/m.

A 20 kg chandelieris suspended from the ceiling by four vertical steel wires. Each wire has an unloaded length of 1 mand a diameter of 2 mm, and each bears an equal load. When the chandelier is hung, how far do the wires stretch? , given that the steel Young's modulus of elasticity is 2 x10" N/m.

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 68P: An aluminium (=2.7g/cm3) wire is suspended from the ceiling and hangs vertically. How long must the...

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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).

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6- A 20 kg chandelier is suspended from the ceiling by four vertical steel wires. Each wire
has an unloaded length of 1 mand a diameter of 2 mm and each bears an equal load.
When the chandelier is hung, how far do the wires stretch? , given that the steel Young's
modulus of elasticity is 2 x10" N/m.

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