An aluminum rod is designed to break when it is under a tension of 600 N. One en

Question

An aluminum rod is designed to break when it is under a tension of 600 N. One end of the rod is connected to a motor and a 12-kg spherical object is attached to the other end. When the motor is turned on, the object moves in a horizontal circle with a radius of 6.0 m. If the speed of the motor is continuously increased, at what speed will the rod break? Ignore the mass of the rod for this calculation. The answer is 17m/s but I don't know how to find it and I need to, in order to be able to study it.

Explanation / Answer

T = mv^2/r 600 = 12*v^2/6 v = 17.32 m/s

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