Which one of the following correctly gives the power developed when a constant force…

PHYSICS · Single correct · GCSE · Physics · Energy · Energy

Problem

Which one of the following correctly gives the power

P

developed when a constant force

F

moves an object with steady speed

v

along the direction of the force? (a)

\dfrac{1}{2} F v

(b)

2 F v

(c)

F v

(d)

F v \cos 45^{\circ}