Vocabulary Forces

4. the forces two objects apply to each other
5. the tendency f an object to resist a change in its motion
7. an attractive force that exists between all objects that have mass
10. law that states that the acceleration of an object is equal to the net force exerted on the object divide by the objects
12. a force that one object applies to another object without touching it
13. a contact force that resists the sliding motion of two surfaces that are touching
15. the gravitational force exertel on an object
16. the combination of all the forces acting on an object
17. in circular motion, a force that acts perpendicular to the direction of the motion,toward the center of the curve
18. the amount of matter in an object

1. a measure of how hard it is to a moving object
2. a push or a pull on one object by another object that is touching it
3. any motion in which an object is moving along a curved path
6. law that states that for every action there is an equal and oppsite reaction
8. law that states that if the net force acting on an object is zero, the motion of the object does not change
9. a principle stating that the total momentum of a group of object stats the same unless forces act on the object
11. a push or pull on an object
14. forces acting on an object that combines and form a net force of zero