Across
- 2. A simple machine made of a post with an inclined plane wrapped around it
- 6. Forces that cause a change in the motion of an object
- 8. The force of attraction between objects, such as the attraction between Earth and objects on it.
- 9. A simple machine composed of two inclined planes back to back
- 10. The balance point of a lever that supports the arm but does not move.
Down
- 1. A force that acts between two touching objects and that opposes motion
- 3. Forces that cancel each other out because they are equal in size and opposite in direction
- 4. A simple machine made up of a bar that pivots, or turns, on a fixed point
- 5. A simple machine made of a wheel with a rope, cord, or chain around it
- 7. a push or pull on an object
- 9. The use of a force to move an object over a distance