Consider two wires X and Y. The radius of wire X is 3 times the radius of Y. If they are stretched by the same load then the stress on Y is ……….
A. equal to that on X
B. thrice that on X
C. nine times that on X
D. Half that on X
Answer:C
Consider two wires X and Y. The radius of wire X is 3 times the radius of Y. If they are stretched by the same load then the stress on Y is ……….
A. equal to that on X B. thrice that on X C. nine times that on X D. Half that on X