JEE Main Physics question

Physics Work, Energy and Power JEE Main

If F is the force required to keep a train moving at a constant speed v, the power required is

(A)½Fv²
(B)Fv²
(C)½Fv
(D)FvCorrect

Answer: (D)

Solution

At constant speed, power = force × velocity = Fv.

Question ID VK-153642