Physics (AS & A Level) · May / June 2023 · Paper 13 · Question 16

A car moves along a horizontal road with a constant velocity v against a resistive force F. The engine of the car has an efficiency of 25%. What is the input power to the engine?

1. A\frac{Fv}{4.0}
2. B\frac{4.0}{Fv}
3. C4.0Fv
4. D\frac{4.0F}{v}

As printed in the paper