When you push or pull with a simple machine, you are applying a force and doing work. And, if you get more force out of a machine than you put into it, then that machine has a mechanical advantage.

The film explains the principles of hydraulic systems, detailing how they work and their applications in modern machinery and aircraft. It covers Pascal's principle, mechanical advantage, and the ...

Explains how pulleys work to lift heavy weights more easily. A fixed pulley changes the direction of force, allowing for easier lifting, while a movable pulley reduces the amount of force needed to ...