Simple Machines
Across
- 2. when using a lever, the effort force moves the ____
- 5. the point where the lever pivots
- 7. made up of two inclined planes put together - example: axe
- 8. a bar that pivots on a fixed support - example: wheelbarrow
- 9. these two parts rotate together in the same direction - example: doorknob
- 10. an inclined plane makes work easier by reducing the amount of force needed over a greater ________
Down
- 1. a flat surface raised at an angle - example: slide
- 3. a device that makes work easier by changing the direction, amount of force, or both
- 4. an inclined plane wrapped around a cylinder - example: spiral staircase
- 6. a pulled rope over a wheel - example: flagpole