Across
- 2. unit for force
- 3. weight or source of pressure
- 5. push or pull
- 8. 1.activity involving mental or physical effort done in order to achieve a purpose or result
- 13. balance
- 14. anything thrown
- 15. resistance of any physical object to any change in its state of motion
- 16. ex crane
- 17. wheels with teeth
- 18. measure of the force amplification achieved by using a tool/machine
- 20. force resisting the relative motion of surfaces
- 22. ex ramp
- 26. sum of all forces
- 27. unit for energy
- 28. rod or spindle passing through center of a wheel
Down
- 1. mass x velocity
- 4. force the machine exerts
- 6. force which act in the opposite direction that you are travelling in the air
- 7. ability to avoid wasting
- 8. ex tire
- 9. ex seesaw
- 10. ex lever, wedge, screw, pulley, inclined plane, wheel/axle, gears
- 11. machine with two or more simple machines
- 12. the ability not to be affected by something
- 19. all things with mass are brought toward one another
- 21. ex bolts, nuts, screws
- 23. force you put into machine
- 24. pivot point of a lever
- 25. ex knife
