Question

Calculate the stress developed in a metal wire when it is strained by 30%.Given youngs modulus of a material is 200G Pa

Answer 1

Answer:

Explanation:

Strain=30% = 30/100

Y=200Gpa = 200×10^9N/m^2

Y = Long stress/Long strain

Stress=Y×strain

= 200×10^9×30/100

= 6×10^6N/m^2