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Across

2. Force the sum of all forces acting on an object

5. a measurement that includes magnitude NOT direction

6. a tendency for objects with mass to resist changing their state of motion

7. a force causing all objects with mass to attract one another depending on mass and distance

9. when the net force equals zero there is not change in motion

10. a measure of the magnitude of force (often gravity) acting on an object's mass

11. any action that has the ability to change motion

Down

1. when the net force does NOT equal zero and there IS a change in motion

3. the size or strength of something

4. a force that arises when two objects are in contact and always opposes the direction of motion

8. a measurement that includes magnitude and direction