eli5: torque vs horsepower

Question

I have worked on equipment most of my life and still don’t understand.

nearly all energy put into an ice engine that isn’t lost as heat goes to spinning a shaft. please explain to me how i can tell the difference between torque and horse power?

In: Physics

Answer 1

Torque is the measured twisting force at the engine output. Horsepower is calculated from torque and rpm.