Answered: A rubber band 20 cm long has a…

A rubber band 20 cm long has a cross-sectional area of 0.04cm^2. What load (in dynes) will stretch the rubber band 0.05cm if the modulus of elasticity of rubber band is 4x10^-15dynes/cm^2?

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter15: Fluids

Section: Chapter Questions

Problem 61PQ

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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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A rubber band 20 cm long has a cross-sectional area of 0.04cm^2. What load (in dynes) will stretch the rubber band 0.05cm if the modulus of elasticity of rubber band is 4x10^-15dynes/cm^2?

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