The Kinetic Energy Of Rolling

The Kinetic Energy Of Rolling

Let us now calculate the kinetic energy of the rolling wheel as measured by the stationary observer. If we view the rolling as pure rotation about an axis through.

We can interpret the term as the kinetic energy associated with the rotation of the wheel about an axis through its center of mass (, and the term as the kinetic energy associated with the transnational motion of the wheel’s center of mass . Thus, we have the following rule.

A rolling object has two types of kinetic energy: a rotational kinetic energy  due to its rotation about its center of mass and a translational kinetic energy due to translation of its center of mass.

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