Across
- 2. Air resistance is a type of ___ that slows down objects moving in the air
- 3. An object would ___ if the force applied is in the same direction as the object's motiona
- 4. Unit of measure for force
- 7. The point in an object that moves as if all of its mass were concentrated in one spot
- 8. Occurs any time an object speeds up, slows down or changes direction
- 9. The acceleration of an object can be ___ if the object's mass and net force are known
- 11. Forces acting on an object that allow the object to change its acceleration
- 14. Force that is always perpendicular to the motion of an object that is moving in a circle
- 16. The force of gravity between two objects depends on the masses of the objects and the ___ between them
- 17. The gravitational force on an object
- 18. Exists between any two objects that have mass
Down
- 1. Acts against the direction of motion and gets larger as an object moves faster
- 5. The speed an object reaches when the force of gravity is balanced by the force of air resistance
- 6. Newton's law that describes acceleration
- 10. If the net force acts at an angle to the direction of an object's motion then the object will move in a ___
- 12. A moving object slows down if the net force is ___ to its motion
- 13. Describes how fast an object is moving and in what direction
- 15. All forces exerted on an object