Force and Motion Crossword Puzzle

QUESTIONS LIST: mass: the amount of matter in an object, acceleration : the change in velocity(speed, direction or both), reference point : a place or object, appears to be stationary, used for comparison to determine if something is in motion, unbalanced : _ force - a nonzero net force, which changes the motion of an object, newton's second law: the acceleration of an object depends on the net force acting upon the object and the mass of the object, qualitative: involving quality or kind, recorded with characteristics that cannot be expressed in numbers, motion: an object's change in position with respect to time and in comparison to a reference point, friction: the force resisting the relative motion of two surfaces in contact, first law: newton's _ _ - an object in motion will remain in motion, an object at rest will remain at rest unless acted on by an unbalanced force, net force: the sum of the forces acting on an object, newton : the unit of force, balanced force: equal forces acting on an object in opposite directions, the object does not move.