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STRESS, STRAIN AND
YOUNG’S MODULUS
SRTESS:
 The stress applied to the wire is defined as the force applied per unit area of cross-
section.
 STRESS= ᵟ= for...
STRAIN:
AS result of the wire being stretched, it is under
strain. The strain is defined as the extension per unit
length....
YOUNG,S MODULUS:
The strain produced in a stretched wire is proportional to the stress within the limit of
proportionality...
Stress, strain and young’s modulus
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Stress, strain and young’s modulus

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Stress, strain and young’s modulus

  1. 1. STRESS, STRAIN AND YOUNG’S MODULUS
  2. 2. SRTESS:  The stress applied to the wire is defined as the force applied per unit area of cross- section.  STRESS= ᵟ= force/cross sectional area  ᵟ=F/A The unit for stress is N/m
  3. 3. STRAIN: AS result of the wire being stretched, it is under strain. The strain is defined as the extension per unit length. STRAIN, ɛ=extension/original length
  4. 4. YOUNG,S MODULUS: The strain produced in a stretched wire is proportional to the stress within the limit of proportionality. Within this limit, the ratio is a constant whose value depend on the material of the wire, and is known as the young’s modulus of the material. i.e young modulus, Y =(STRESS/STRAIN) Y=(F/A)÷(x/l) Y=F/A*L/X Y=FL/AX force equ; f=(ay/l)x

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