Across
- 7. Force created when two opposing surfaces rub against each other.
- 8. A net force of 0N means the forces are ________.
- 9. Combining all the forces acting on an object. (2 words)
- 10. The larger the _____ of the object the greater its gravity.
- 14. When calculating deceleration you should always get a _____ answer.
- 16. An object that seems to remain still near a moving object: ______ Point
- 18. A push or pull on an object.
- 19. Type of math one does when calculating distance in triangle.
- 20. One way to decrease friction is to add _____ to the object.
Down
- 1. The math you do when force arrows are opposite.
- 2. Word for strength of a force.
- 3. According to Newton both mass and ______ have an effect on gravity.
- 4. Forces must be ___________ to move an object.
- 5. The further apart two objects are the ______ the gravity between them.
- 6. It's calculated by dividing distance by time. (2 words).
- 11. Speed in a particular direction.
- 12. The force of attraction between objects due to their masses.
- 13. Unit of measurement for a force.
- 15. First and last name of scientist who studied gravity.
- 17. The math you do when force arrows are in same direction.