Chapter 2 Vocab

4. Forces acting on an object that combine and form a net force of zero
5. The amount of matter in an object
7. A push or pull on an object
8. If the net force on an object is zero, the motion of the object does not change
9. A force that resists the motion of two surfaces that are touching
10. force The combination of all the forces acting on an object
13. A force that acts perpendicular to the direction of motion, toward the center of the curve
14. The gravitational force exerted on an object
15. A force that one object can apply to another object without touching it

1. Forces acting on an object that combine and form a net force greater than zero
2. Is any motion in which an object is moving along a curved path
3. A measure of how hard it is to stop a moving object
6. The tendency of an object to resist change in motion
9. The forces two objects apply to each other
11. A push or pull on one object by another that is touching it
12. An attractive force that exists between all objects that have mass