___________ forces have no change in motion or direction.

___________ resistance to motion.

___________ forces have changes in motion.

___________ tendency to resist change in motion.

___________ total force acting on an object.

___________ non-contact force that is always punching down on us.

___________ states that for every action there is an equal and opposite reaction.

___________ force = mass X acceleration.

___________ an object in motion will stay in motion or an object at rest will stay at rest unless acted on by an unbalanced force.