Flashcards in book 2. chapter 1 Deck (11):
a force of attraction between objects that is due to their masses.
a measure of the gravitational force exerted on an object; its value can change with the location of the object in the universe
a measure of the amount of matter in an object
an object's change in position relative to a reference point
the distance traveled divided by the time interval during which the motion occured
the speed of an object in a particular direction
the rate at which velocity changes over time; an object accelerates if its speed, direction, or both change.
a push or a pull exerted on an object in order to change the motion of an object; force has size and direction
the SI unit for force
the combination of all of the forces acting on an object