define young's modulus of elasticity. how much fotce is required to have an increase of 0.4% in the length of a kettalic wire having radius 0.2 mm . Y =9.1*10 10Nm-2
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Young’s Modulus or Elastic Modulus or Tensile Modulus, is the measurement of mechanical properties of linear elastic solids like rods, wires, etc.
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:
youngs \: modulus = \frac{stress}{strain}youngsmodulus=
strain
stress
stress = \frac{force}{area}stress=
area
force
strain = \frac{change \: in \: length}{original \: length}strain=
originallength
changeinlength
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