Momentum and CollisionHard
Question
A force F is needed to break a copper wire having radius R. The force needed to break a copper wire of radius 2R will be : -
Options
A.
B.2F
C.4F
D.
Solution
Stress = 
For breaking the copper stress should be same i.e.
F2 = 4F
For breaking the copper stress should be same i.e.
F2 = 4FCreate a free account to view solution
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