Question

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Q1. Define hooke,s laws


Q1.what is poisson ratio...



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Answer 1

Hey, Good Morning.

The answers to your questions are:-

1.Hooke's Law - Hooke's law is a law of physics that states that the force needed to extend or compress a spring by some distance x scales linearly with respect to that distance.

2. Poisson's Ratio - Poisson's ratio is a measure of the Poisson effect, the phenomenon in which a material tends to expand in directions perpendicular to the direction of compression.

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Answer 2

Hooke's law

is a law of physics that states that the force needed to extend or compress a spring by some distance x scales linearly with respect to that distance. That is, where k is a constant factor characteristic of the spring: its stiffness, and x is small compared to the total possible deformation of the spring

Poisson's ratio,

denoted by the Greek letter 'nu', and named after Siméon Poisson, is the negative of the ratio of transverse strain to axial strain. For small values of these changes, is the amount of transversal expansion divided by the amount of axial compression

POISSON RATIO=LATERAL STRAIN/LONGITUDINAL STRIAN