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.

Katie Aldworth grabs an empty wine bottle, puts it into a glass crusher, and then walks through her Maryland pottery studio with the end product: glass sand. After measuring out 275 grams, she pours ...

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 ...