In an introductory physics course, there are three big ideas. There is the work-energy principle, the momentum principle and then the angular momentum principle. I'll skip the work-energy principle ...

I'm teaching introductory Newtonian mechanics again this term, and as always I find myself fascinated by bits of the subject that my students are largely indifferent to. This week, that collided with ...

Yes. I just posted about MythBusters. However, I thought this would be an appropriate time to also talk about the physics involved with the "shoot the merry go round" myth. The basic idea of the myth ...