A and B are two steel wires and the radius of A is twice that of B. If they are stretched by the same load, then the stress on B is ____.
A and B are two steel wires and the radius of A is twice that of B. If they are stretched by the same load, then the stress on B is ____.
(A) four times that of A
(B) two times that of A
(C) three times that of A
(D) same as that of A
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