Define Young's Modulus of elasticity. How much force is required to have an increase of
0.4% in the length of a metallic wire having radius of 0.2mm.
(See Lesson 8)
Y = 9.1 x 1010 Nm-2
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Young’s modulus is also known as modulus of elasticity and is defined as:
The mechanical property of a material to withstand the compression or the elongation with respect to its length.
It is denoted as E or Y.
Explanation:
The Young's Modulus (or Elastic Modulus) is in essence the stiffness of a material. In other words, it is how easily it is bended or stretched. To be more exact, the physics and numerical values are worked out like this: Young's Modulus = Stress / Strain.
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