A simple machine is a mechanical device that changes the direction or magnitude of a force. In general, they can be defined as the simplest mechanisms that use mechanical advantage (also called ...

It can make all the difference. You might have used your washer for years, only to one day find yourself staring blankly at the buttons, realizing that you don’t actually know what it all means. For ...

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.