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'''Kinetic energy''' is ] possessed by a body by virtue of its ]. If the body with ] ''m'' is moving in a straight line with velocity ''v'', its ''translational kinetic energy'' amounts to ''mv''<sup>2</sup>/2. If a body is rotating, its ''rotational kinetic energy'' equals ''I''ω<sup>2</sup>/2, where ''I'' is its ] and ω its ].
In ], '''kinetic energy''' is ] possessed by a body by virtue of its ]. If the body with ] ''m'' is moving in a straight line with velocity ''v'', its ''translational kinetic energy'' amounts to
:<math> E_k = \frac{1}{2} m v^2 </math>.
If a body is rotating, its ''rotational kinetic energy'' equals ''I''ω<sup>2</sup>/2, where ''I'' is its ] and ω its ].
Revision as of 17:15, 21 January 2003
In physics, kinetic energy is energy possessed by a body by virtue of its motion. If the body with massm is moving in a straight line with velocity v, its translational kinetic energy amounts to
.