Physics Crossword Puzzle

4. A push or a pull exerted on an object.
6. A scientist that created and developed three laws relating to force.
7. Equal forces acting on an object in opposite directions.
10. Force equals mass times acceleration (f=m*a)
12. The basic scientific version of mass.
13. For every action there is an equal and opposite reaction.
15. The basic scientific unit of length.
16. The product of an object's mass and velocity.
18. The force that attracts a body toward the center of the earth, or toward any other physical body having mass.
19. The tendency of an object to resist any change in its motion.

1. The rate at which velocity changes.
2. The force that one surface exerts on another when the two rub against each other.
3. The scientific study or the science that deals with matter, energy, motion, and force.
5. A nonzero net force, which changes an object's motion.
8. The distance an object travels in one unit of time.
9. The amount of matter in an object.
10. An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.
11. A unit of measure that equals the force required to accelerate one kilogram of mass at 1 meter per second.
14. The overall force on an object when all the individual forces acting on an object are added together.
17. The state in which one object's distance from another is changing.