short science

is a force of attraction between two objects.

any two masses exert an attractive force on each other.

When an object changes position over time

The rate at which an object moves

The speed of an object in a particular direction

The rate at which velocity changes

is the measure of the amount of matter in an object.

is a property of an object that describes how much it will resist change to the motion of the objec

what are the four main types of friction

is a measure of the force of gravity on the mass of an objec