Across
- 2. when you pull a spring
- 4. contact force when 2 objects move against each other
- 5. used to reduce the friction
- 7. (2 words no space) useful for parachute
- 9. the unit to measure forces
- 10. region where certain objects experience a non-contact force
- 12. will reduce the drag forces on it if the object is ...
- 13. (2 words no space)a support force balances the weight of an object
- 17. (2 words no space) a region where a mass would experience a non contact-force
- 20. equipment to measure forces
- 21. the force that makes a spring return to its original length
Down
- 1. (2 words no space) a solid that moves through a gas or liquid
- 3. the balanced forces cancel out
- 6. type of relationship between force and extension
- 8. is what we call the amount an object is stretched by
- 11. 2 equal forces acting on the same object in opposite direction
- 14. (2 word no space) occurs when objects are touching
- 15. can be push or pull
- 16. if the object is not in equilibrium forced are ...
- 18. an example of reaction force
- 19. is mass multiply by gravitational field strength