Mechanical advantage is the amount of help you get using a machine in comparison to doing something with just human effort, and it is created by levers. Therefore, the mechanical advantage = 200 ÷ 100 ...

The film *Spinning Levers* explores the fundamental mechanics of levers and gears, illustrating their role in various everyday applications and in the complex workings of a car’s transmission.

Levers are literally all around us. You body uses them to move, pick up a pen to sign your name and you’ll use mechanical advantage to make that ballpoint roll, and that can of soda doesn’t open ...