A force is a push or a pull. For example, when you push open a door you must apply a force to the door. You also must apply a force to pull open a drawer. You cannot see a force but often you can see ...

Forgive me for all the posts on ESPN's Sport Science (example: Pulling and Power). I can't help myself. In the short episode recently, Sport Science compared a football player pulling a sled with huge ...

I always enjoy MythBusters. Great material for blogs. Also, one of the things I like is that Adam and Jamie are not professional scientists. This means that if they make some mistakes, that is just ...

Friction is a force that resists the motion of one object against another. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Scientists began ...

Strengthen your Physics score with these exam-level problems covering friction, circular motion, pulleys, collisions, and ...

Electrically tunable ionic hydrogels use small voltages to switch friction at metal contacts between high-friction and ...