# Physics- 2 vocab

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1. Objects tend to continue the motion they already have unless they are acted on by forces
Newton's first law
2. Is a push or pull, or any action that has the ability to change motion
Force
3. Property of an object that resists change in its motion
Inertia
4. Metric unit of force
Newton
5. Is used to describe the total of all forces acting on an object
Net force
6. The rate of change in velocity; at which your speed increases
Acceleration
7. Describe the motion that is slowing down
Deceleration
8. Relates the net force on an object, the mass of the object, and the acceleration
Newton's second law
9. It is accelerating due to the force of gravity and no other forces are acting on it
Free fall
10. Objects in free fall on Earth accelerate downward at 9.8 m/sec2
Acceleration due to gravity
11. Is speed with direction; rate of motion and the direction
Velocity
12. Force of gravity on an object (mass* acc of gravity)
Weight
13. Acts against the direction of the object's motion/ fluid friction opposing the motion of an object moving through it
Air resistance
14. The maximum speed reached by an object in free fall; the speed at which the forces of gravity and air resistance are equal
Terminal speed
15. A line is the ration of the rise over run
Slope
 Author: Sypes ID: 169643 Card Set: Physics- 2 vocab Updated: 2012-09-08 20:51:01 Tags: Physics Folders: Description: Physics Chapter 2 vocab Show Answers: