Velocity tells the direction and speed in one sentence. Example- Billy Joe ran 4 miles per hour going west
Newtons third law of motion.
Every action has an equal and opposite reaction.
Example, When you are ice skating and you fall down you will slide, andd thats called sliding friction
When you are riding your bike on the sidewalk, you are using friction.
Issac Newton wrote 169 books. When he was 12 years old he was bullied alot by this one big kid, but one day he challenged to fight him ad he won.
Google and google images