Physics Homework Help? What is Horsepower?

Question

Engines, including car engines, are rated in horsepower.

 

Part A

What is horsepower?

What is horsepower?

	The rate at which the engine can do work.
	The energy the engine needs to obtain from gasoline or some other source.
	The force needed to start the engine.
	The amount of work the engine can perform.
	The force needed to keep the engine running at a steady rate.

 

Answer 1

Horsepower:

Horsepower is the unit of measurement of power.

The rate at which the engine can do work.

Option (a) is the right choice.