A bodyof mass 4 kg is connected to the two ends of a vertical rod of length 2 m by two threads of length 1.5 m each. The body is rotated about the rod as an axis. To produce a tension of 70 N on the upper string what should be the rpm of the body? What will be the tension in the lower string then?

A bodyof mass 4 kg is connected to the two ends of a vertical rod of l

1.	A bodyof mass 4 kg is connected to the two ends of a vertical rod of length 2 m by two threads of length 1.5 m each. The body is rotated about the rod as an axis. To produce a tension of 70 N on the upper string what should be the rpm of the body? What will be the tension in the lower string then?
Answer» ANSWER :35.1 RPM, 11.2 N