Matter in Motion Vocabulary Crossword

the rate at which an object moves
an object's change in position over time when compared with reference point
an object that appears to stay in place in relation to an object being observed for motion
the rate at which velocity changes
the speed of an object in a particular direction
a push or pull; all have both size and direction
the SI unit of force
forces on an object that cause the net force to be other than zero
forces on an object that cause the net force to be zero
a force that opposes motion between two surfaces that are touching
a force of attraction between objects that is due to their masses
the law that states that all objects in the universe attract each other through gravitational force
the amount of matter that something is made of
a measure of the gravitational force exerted on an object, usually by the Earth
the force that results from combining all the forces exerted on an object