Solution
= Solution
The instantaneous mechanical <power> supplied by a <force> is
$$
\boxed{P=\mathbf F\cdot\mathbf v,}
$$
where v is the velocity of its point of application in the chosen frame.
= Solution
The instantaneous mechanical <power> supplied by a <force> is
$$
\boxed{P=\mathbf F\cdot\mathbf v,}
$$
where v is the velocity of its point of application in the chosen frame.