Show that the time rate of change of kinetic energy of a particle of constant mass is…

PHYSICS · Subjective · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

Show that the time rate of change of kinetic energy of a particle of constant mass

m

is equal to

\mathbf{F}\cdot\mathbf{v}

, where

\mathbf{F}

is the net force acting on the particle and

\mathbf{v}

is its velocity.