This content can also be viewed on the site it originates from. Suppose you throw some object near the surface of the earth. If the only significant force on the object is the constant downward ...

This content can also be viewed on the site it originates from. Holland is a former gymnast and dancer (he played Billy Elliot onstage in London as a kid), so he has the chops to do a lot of his own ...

I wish Angry Birds had been around when I was teaching high school physics. Please don’t think of the game as a hate crime against hogs, or an avian anger management program—instead, think of it as a ...