Elastic Behaviour of Solids

IMPORTANT

Elastic Behaviour of Solids: Overview

This topic covers concepts, such as, Elasticity, Terms Related to Elasticity, Deforming Force, Perfectly Elastic Body, Plastic Body, Internal Restoring Force, Elastic Deformation, Plasticity, Mechanical Properties of Solids & Plastic Deformation etc.

Important Questions on Elastic Behaviour of Solids

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The quality of the material which opposes the change in shape, volume, or length is called

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A sagging roof is totally undesirable in a building hence, the material used for this purpose must have a large plastic region in its stress-strain curve.

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Resistance to elastic deformation of a material is measured by:

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How the strengths of the two materials can be compared?

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Perfectly plastic body is an ideal concept.

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Define a Perfectly plastic body.

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The elastic behaviour of a body can be turned into plastic behaviour under the larger deforming force.

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What do you understand by the plastic deformation of a body?

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As compared to concrete, steel has compressive strength:

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In a technical sense a substance with a _____ elasticity is one that requires a large force to produce a distortion-for example, a steel sphere. 
 

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Out of the following whose elasticity is independent of temperature;

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If you try to displace any ball from its equilibrium position, the spring system tries to restore the ball back to its original position.

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The temperature of a wire is 2 times . The Young’s modulus of elasticity.

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Which of the following statement is incorrect?

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Discuss Elasticity and Plasticity in solids with example.

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A wire is suspended vertically from a rigid support. When loaded with a body in air, the wire extends by 6 mm and when the body is immersed completely in water, the extension is reduced to 4 mm. The relative density of material of the body is

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For a given material, the Young’s modulus is 2.4 times that of the modulus of rigidity. Its Poisson’s ratio is:

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For an ideal liquid, bulk modulus is infinite and shear modulus is zero.

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Distinguish between elasticity and plasticity.