Your everyday notion of forces probably includes pushing and pulling and similar actions. Technically, when something is pushed or pulled we say that "a force is applied to the object". What happens ...

I see this problem all the time. The idea that if you apply a constant force on an object, it should move at a constant speed. Really, this is what Aristotle would say, right? There are two course ...

“I found this photograph / underneath the broken picture glass.” So begins “Photograph,” a 1993 song written and performed by R.E.M. and Natalie Merchant that describes the sensation of coming across ...

Our motion perception is remarkably well tuned to detect small changes in speed and direction. For example, soccer goalkeepers need to precisely judge the speed, direction, and curvature of an ...

Dr. Filipek answers the question: 'Examples Of Repetitive Motion/Behaviors?' Oct. 23, 2008 -- Question: What are some examples of repetitive motion/behaviors characteristic of someone with autism?