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.

Find out more about the inclined plane, the pulley and the screw. Find out more about three of the six simple machines: the inclined plane, the pulley and the screw. These simple machines make work ...

Dive into the science of inclined planes in Episode 4 of Jiwi's Machines. This special Science Extra episode breaks down how simple machines like ramps can do extraordinary work through clever design ...