Im doing a school project and i have to look at certain parts of cars that are standard safty features on all cars, and one of them is power steering. I have to answer the question "Briefly describe the main features of the development" (i have to do 5 features) AND if your really smart, could you please help with this question "Briefly explain the physics behind why it works"(must include a stated law or equation) thank you for all your help.