Simple Machines
Across
- 2. The rate at which work is done
- 7. unbalanced forces causes something to accelerate
- 9. a simple machine that uses grooved wheels and a rope to raise, lower or move a load.
- 10. force of attraction between all objects in the universe
- 11. an inclined plane wrapped around a pole which holds things together or lifts materials.
- 12. & Axle A wheel with a rod, called an axle, through its center lifts or moves loads.
Down
- 1. the speed and direction of an object
- 3. A push or a pull; all forces have both size and direction
- 4. a stiff bar that rests on a support called a fulcrum which lifts or moves loads.
- 5. how far out of place an object is.
- 6. Plane a slanting surface connecting a lower level to a higher level.
- 8. The action that results when a force causes an object to move in the direction of the force.
- 12. an object with at least one slanting side ending in a sharp edge, which cuts material apart.