Across
- 1. the use of a force
- 4. something that makes work easier
- 6. the fixed point on a lever
- 8. simple machine made up of a wheel and axle that are connected so that they turn together
- 9. a simple machine with a wheel and a rope, cord, or chain around it
Down
- 1. two inclined planes placed back to back with one wide and flat edge and the other edge is thin and sharp
- 2. a machine made up of two or more simple machines
- 3. an inclined plane wrapped around around a shaft or cylinder
- 5. a plane that is slanted, so that one end is higher than the other
- 7. a bar that pivots, or turns, on a fixed point