forces unit vocab

2. the rate at which an objects velocity changes meaning it is the change in speed or direction over time
7. a force that opposes the relative motion between surfaces in contact
10. force a contact force exerted by a surface on an object , acting perpendicular to the surface.
11. a quantity that has both magnitude and direction
12. the distance on object travels divided by the time it takes to travel that distance
13. the force of gravity acting on an object
14. state where the net force and net torque on an object are both zeros

1. of mass the average position of all the mass in an object or system
3. force the total force acting on an object
4. field a region of space where a non-contact force is exerted on an object
5. the tendency of an object to resist changes in its state of motion or rest.
6. unit of force that will accelerate one kilogram of mass one meter per second squared
7. diagram a diagram showing the forces acting on the object
8. push or pull on an object
9. the single vector that represents the combined effect of two or more vectors acting on an object.
15. the amount of "stuff" or matter, in an object