Across
- 3. an inclined plane wrapped around a pole which holds things together or lifts material
- 6. a slanting surface connecting a lower level to a higher level.
- 8. resistance to change in velocity or speed.
- 10. a simple machine that uses grooved wheels and a rope to raise, lower or move a load.
- 11. strength or energy as an attribute of physical action or movement.
Down
- 1. measurement of how difficult it is to change the objects velocity.
- 2. a stiff bar that rests on a support which lifts or moves loads.
- 4. force of attraction between all objects in the universe.
- 5. a wheel with a rod through its center that lifts or moves loads.
- 7. the rate of doing work.
- 9. an object with at least one slanting side ending with a sharp edge.