2 forces are acting on a body. I forgot the body doesn't it's position or shape, the forcesa)must be of equal magnitude b)must be parallel and opposite c)must add upto zero d)must be in a single line

Energy is the ability to do work which measures what

Tall pacific coast redwood trees can reach heights of about 100 m. if air drag is negligibly small, how fast is a sequola cone moving when it reaches the ground f it dropped from the top of a 100 m tree?

Why does a collision with an airbag cause less damage than a collision with a steering wheel