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Motion in a vertical circle: conservation of energy

A pendulum consists of a string of length L and a bob of mass M. The string is brought to a horizontal position and given the minimum initial speed enabling a pendulum to make a full turn in the vertical plane. a) what is the maximum kinetic energy K of the bob? b) what is the tension in the string when the kinetic energy is maximum?

Solution Summary

The bob of a pendulum is given velocity at the lowest point to make complete circle, the maximum kinetic energy and the tension in the string at a given position are calculated.