How the traditional drive modifications when an elevator accelerates. Created by Sal Khan. Watch the subsequent lesson: https://www.khanacademy.org/science/physics/forces-newtons-laws/normal-contact-force/v/more-on-normal-force-shoe-on-floor?utm_source=YT&utm_medium=Desc&utm_campaign=physics Missed the earlier lesson? https://www.khanacademy.org/science/physics/forces-newtons-laws/normal-contact-force/v/normal-force-and-contact-force?utm_source=YT&utm_medium=Desc&utm_campaign=physics Physics on Khan Academy: Physics is the research of the essential rules that govern the bodily world round us. We’ll begin by taking a look at movement itself. Then, we’ll study forces, momentum, power, and different ideas … Read More



