Simple machines make work easier, not less work, says Rick Crosslin, scientist. He joined us today to demonstrate how simple machines work. In our case, Randy was the “load” and Amber was the “effort.

imple machines help us change the amount of force or the direction of the force needed to move an object. Find out how by learning more about levers. Major Funding by the Laura Moore Cunningham ...

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.

When I was a kid, I sat glued to the television watching behind the scenes shows on the workings of industrial plants. I couldn’t get enough of watching a series of machines work in tandem to convert ...

CC0 Usage Conditions ApplyClick for more information. Simple machines can be found almost anywhere from nineteenth-century water powered mills, to modern day construction sites. Once you know what to ...

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 ...