Across
- 1. Newton's Second Law is the law of __________
- 4. Which frictional force is smaller
- 5. A feather does not fall at the same speed as a hammer because of __________ (2 words)
- 6. The acceleration of an object thrown straight up, the moment it is released is equal to ___________ (neglecting air resistance)
- 11. _______ occurs when the only force acting on an object is gravity (2 words)
- 12. The force that is equal in strength and opposite in direction to the action force
- 14. When you ________ a force on an object, the object will ________ a force on you
- 15. An object in dynamic equilibrium must be moving with _________ velocity
- 17. An action and reaction force occur ___________ (4 words)
Down
- 2. Every force is part of a ________ between two things
- 3. In free fall, when acceleration is equal to zero, an object reaches __________ (2 words)
- 7. A __________ vector occurs when two vectors at right angles are added together
- 8. _________ is equal to mass times acceleration
- 9. The normal force is __________ to a supporting surface
- 10. An object in dynamic equilibrium has an acceleration equal to ________
- 13. The portion of the universe being analyzed constitutes a ________
- 16. ________ Force occurs when a force is exerted via rope, string, chain, etc.