To keep a vehicle moving at a constant speed v, requires ...
To keep a vehicle moving at a constant speed v, requires power P, from the engine. The force provided by the engine is
\(\frac{p}{v}\)
\(\frac{1}{2}\) v
pv
\(\frac{p}{v^2}\) v
Correct answer is A
power = speed x force
force = \(\frac{power}{speed}\)