Across
- 4. rate of change
- 5. was a wheel and rope to move heavy objects
- 6. two inclined planes that are back to back
- 7. the distance an object travels in a certain am-out of time
- 9. speed of an object, but also direction also
Down
- 1. the axle is the rod the hold the wheels together
- 2. was free to move something
- 3. plane a aid that can be used ti raise or lower things
- 7. an inclined plane that is wrapped around with a flat led on one end
- 8. when an object changes place or position