what is stress strain, elasticity elastic limit, and gield point
Answers
Stress strain : In engineering and materials science, a stress–strain curve for a material gives the relationship between stress and strain. It is obtained by gradually applying load to a test coupon and measuring the deformation, from which the stress and strain can be determined.
Elasticity: it is an economic concept used to measure the change in the aggregate quantity demanded for a good or service in relation to price movements of that good or service. A product is considered to be elastic if the quantity demand of the product changes drastically when its price increases or decreases.
Elastic limit : the maximum extent to which a solid may be stretched without permanent alteration of size or shape.
Yield point : the stress beyond which a material becomes plastic.
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