A 12 gram CD with a radius of 6 cm rotates with an angular speed of 34 rad/s. A.) What is its kinetic energy? B.) If its kinetic energy is to be quadrupled, should its angular speed be doubled, quadrupled, or increased by a factor of 16? C.) Calculate the angular speed required to quadruple the kinetic energy the CD had in part A.).

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Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.