Stop bumping old shit Scimmyforce, I deleted your post for a fucking reason.
Originally Posted by Kaylafay
How would physics help?
Physics is the basis behind the whole entire world, it consists of every science and measurement technique. It's not simply speed/bouncing (an ignorant misconception), it's heat, energy, thermodynamics, speed, mass, work, time, and about any unit of measure.
The idea behind Horsepower is BECAUSE of physics, Physics is basically the understanding of how the laws of the world works. There's a formula to calculate everything and anything.