**Pre reqs:** [Free Body Diagrams](http://scienceblogs.com/dotphysics/2008/09/basics-free-body-diagrams.php), [Force](http://scienceblogs.com/dotphysics/2008/09 ...

Find out more about Sir Isaac Newton’s laws of force and motion at the amusement park, Silverwood. A force is basically a push or a pull. Forces like gravity, inertia, and momentum affect everything.

Find out how forces and motion make our world move in the Science Trek: The Web Show. The world is full of motion and motion happens because of force. On this episode of Science Trek: The Web Show, ...

Tugging a small toy with your dog can be a lot of fun—but it’s also a great way to experiment with forces acting on an object. Forces are what scientists call the pushing and pulling on objects. In ...

**Pre-reqs:** None. I intend to talk about forces and force diagrams, but there is a more fundamental question to address first. What is a force? Most texts define it as a push or a pull. That really ...

Physics, especially the part about forces and motion, often feels like a maze of confusing concepts and formulas. If you’ve ever stared at a problem about an object moving or a force acting and ...

One of the most misunderstood principles regarding linear bearings is something called the 2:1 Ratio. Understanding it will help engineers avoid the problem of stick-slip. Back in the 1980s, Pacific ...