Down
| 1. | A measure of the amount of force needed to move an object a certain distance. |
| 2. | Energy in the form of a push or a pull. |
| 3. | The tendency of an object to resist a change in motion. |
| 4. | A force that pulls objects towards each other. |
| 5. | The combination of all the forces acting on an object is the object's ____ force. |
| 6. | The force of attraction between magnetic objects. |
| 7. | If the distance between two objects is increased, the gravitational force between the objects will ____. |
| 8. | The unit of work in the metric system. |
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Across
| 3. | If the total mass of two objects is increased, the gravitational force between the objects will ____. |
| 9. | All objects ____ towards Earth at a rate of 9.8 meters per second. |
| 10. | ____ is used when a force is applied. |
| 11. | A force that results when two things are touching each other. If one or more of the objects are in motion, this force tends to slow down the objects. |
| 12. | A unit that is a measure of force. |
| 13. | The ____ of an object does not change when gravitational force changes. |
| 14. | A measure of the force of gravity on an object. |
| 15. | If you know the force (F) needed to move an object a certain distance (d), the amount of work completed can be calculated if you ____ the two numbers (F and d). |
| 16. | A device used for measuring mass. |
| 17. | A force has both a magnitude, or size, as well as a ____. |
| 18. | A measurement of the motion of something. This is equal to the product of the moving object's mass times its velocity. |
| 19. | Weight is measured with a spring ____. |
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