Across
- 1. Circular device that rotates on an axle to move things
- 4. Force that resists motion between two surfaces in contact
- 6. Point on which a lever pivots or balances
- 7. Inclined plane wrapped around a cylinder, used to hold things together
- 14. Weight or mass being moved or lifted by a machine
- 15. Triangular tool used to split or separate objects
- 16. Machine made up of two or more simple machines
- 17. Basic machines that make work easier
- 19. Rod or shaft on which a wheel rotates
Down
- 2. Force applied to a machine to do work
- 3. Slanted surface that makes it easier to move objects upward
- 5. Transfer of energy when a force moves an object
- 6. Push or pull exerted on an object
- 8. Ratio of the output energy to the input energy in a machine
- 9. Toothed wheel that meshes with another toothed component to transmit motion
- 10. Bar that pivots on a point to lift heavy loads
- 11. Advantage ratio of the output force to the input force in a machine
- 12. Another name for an inclined plane
- 13. Measure of the steepness of an inclined plane
- 18. Wheel with a rope or cable used to lift objects