A Moment of Science
Learn about what physicists call a "fictitious force", on this Moment of Science.
You have a long curved metal tube and a miniature golf ball that you knock into one end and out the other. How does the ball move after it leaves the tube?
The law of gravity describes and quantifies the attraction between two objects. But the law of gravity doesn’t explain what gravity is or why it might work in this way. That’s because that kind of explanation falls into the realm of theory.
A rifle recoils because of the law of momentum. This law says that momentum is always conserved, or to put it another way, every action has an equal and opposite reaction.
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