Science terms

is a change in velocity. Can be a change in a speed and/or direction

when only gravity is acting on the object

is the amount of force needed to move a 1kg mass object at an acceleration of 1 m/s2.

a state in which opposing forces or influences are balances

means that if one value increases the other value will decrease, assuming everything else stays the same

created when an object moves through a fluid

the type of friction created when 2 solid surfaces slide over each other

friction created when an object rolls over a surface. It opposes motion less than sliding friction