Across
- 2. the length between objects or points
- 6. the force exerted on a body by gravity.
- 9. pulls objects with mass toward each other
- 11. the measure of how much stuff is in an object
- 12. any type of force that causes objects to come together
- 14. a law stating that the intensity of an effect such as illumination or gravitational force changes in inverse proportion to the square of the distance from the source.
- 15. the force of fundamental attraction between all things that have mass or energy
Down
- 1. force that acts on a body moving in a circular path
- 3. any particle of matter in the universe attracts any other
- 4. a regular, repeating path that one object in space takes around another one
- 5. the minimum velocity required by a body to be projected to overcome the gravitational pull of the earth.
- 7. the force field that exists in the space around every mass or group of masses
- 8. the motion of an object where gravity is the only force acting upon it
- 10. the gravitational force acting between two bodies of unit mass
- 13. a position defined relative to an object or system of objects