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Amit Saxena Grade: upto college level
        A load of 10 kg is suspended by a metal wire 3 m long and having a cross-sectional area 4 mm2. Find (a) the stress (b) the strain and (c) the elongation. Young modulus of the metal is 2.0 × 1011 N m-2. 
3 years ago

Answers : (1)

Jitender Pal
askIITians Faculty
365 Points
										Sol. F = mg

Stress = F/A
Strain = ∆L/L
Y = FL/A∆L ⇒ ∆L/L = F/YA
3 years ago
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