Simple machines can be regarded as the elementary "building blocks" of which all more complicated machines (sometimes called "compound machines") are composed. For example, wheels, levers, and pulleys ...

Show me the science!Right, I've set up a very simple machine for us.Yeah, it looks simple. This is a super-powerful lever, I think you'll find!So, the lever is this ruler here.Here is the pivot ...

A simple lever could be a solid beam laid across a pivot. As effort is applied to rotate one end about the pivot. The opposite end is also rotated about the pivot in the same direction.

Seventh graders attending the North Salem Middle School created extraordinary mechanical marvels last week by using ordinary classroom materials. The 12-year-olds enrolled in Sandy McDonough’s STEM ...