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A force of 90,000 N is applied to a 10 x 12 mm section bar. The...

A force of 90,000 N is applied to a 10 x 12 mm section bar. The bar has an elastic limit of 290 Mpa and the tensile strength is 350 Mpa.
Determine and explain:
a) If the bar is plastically deformed
b)If it forms a neck.
Engineering   Mechanical-Engineering   
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