Science Vocabulary

3. the tendency of an object to resist a change in its motion
7. the combination of all the forces acting on and touching
8. A law that states that for every action there is and equal and opposite reaction
10. a contact force that resists the sliding motion of two surfaces that are touching
14. a law that states that if the net force acting on an object is zero,the motion of the object does not change
16. the gravitational force exerted on an object
17. forces acting on an object that combine and form a net force of zero
18. The forces two objects apply to each other
19. Any motion in which an object is moving along a curved path

1. a push or a pull on one object by another object that is touching it
2. A principal stating that the total momentum of a group of objects stays the same unless outside forces act on objects
4. an attractive force that exists between all objects that have mass
5. in circular motion, a force that acts perpendicular to the direction of motion toward the center of the force
6. a law that states that the acceleration of an object is equal to the net force exerted on the object divided by the objects mass
9. a force that one object applies to another object without touching it
11. the amount of matter in an object
12. anything that can take up space and can be weighed
13. A push or pull on an object
15. A measure of how hard it is to stop a moving object