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According to Hooke's law, within elastic limit,
stress strain
or stress = E Χ strain or Stress / Strain= E = a constant,
Where E is called as coefficient of elasticity or modulus of elasticity of a body which rely upon the nature of material of the body and the manner in which the body is deformed. Therefore, particles of elasticity or coefficient of elasticity of a body is described as the ratio of the stress to the corresponding strain given, within the elastic limit.
AVERAGE ACCELERATION: The total change in velocity of a body separated by total time taken is known as average acceleration. It is denoted by a ? av or .
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