Suppose you throw some object near the surface of the earth. If the only significant force on the object is the constant downward gravitational force, we call this "projectile motion." Yes, that ...

One of the many awesome things about physics is you can study it anywhere. I’ll prove it with a fun problem that involves a cart and a ball. Not just any cart, but a cart that rolls along a table and ...

REDSTONE ARSENAL, Ala. -- The U.S. government has awarded a patent to an employee of the U.S. Army Aviation and Missile Research, Development and Engineering Center, for a design that reduces munition ...