Across
- 5. Force that keeps objects from moving against other objects
- 7. The rate of movement of an object (length per time)
- 9. Change in velocity during a period of time
- 11. The change of an object’s position
- 12. A measurement of both force and weight
- 14. Inclined plane wound around a cylinder
- 16. Two inclined-planes place back to back
- 20. Combining two or more simple machines to make work easier
- 21. Moves with the load or resistance (type of pulley)
- 22. The unit used to measure work
- 24. Fixed, unmoving object or location
- 25. Grooved wheel with a chain or rope wrapped in the groove
- 26. The distance an object moves over a given amount of time
- 27. Force applied to a simple machine
- 28. The ability to make something move (including potential and kinetic energy)
- 29. A wheel and a rod, or axle, running through the wheel
Down
- 1. The resistance to a change in motion
- 2. The mass and velocity of an object
- 3. The decrease in effort needed to move an object
- 4. Combination of fixed and movable pulleys
- 6. Flat, slanted surface such as a ramp
- 8. A force acting on something as it moves a certain distance
- 10. Does not move (type of pulley)
- 13. Any object that makes work easier
- 15. The spot where the bar turns or pivots
- 17. The pull of one object on another
- 18. A bar that turns on a point
- 19. Force that works against the effort force
- 23. How far an object travels