Across
- 1. made of a rigid beam and a fulcrum
- 3. bar that is free to pivot about a fixed point
- 5. any device with little to no moving parts
- 7. a simple machine consisting of a grooved wheel turned by a cord
- 8. a simple machine having a sharp edge which is formed by putting two inclined planes together
- 11. Two or more simple machines that work together
Down
- 2. The output work of a machine compared to its input force
- 4. a wheel that carries a flexible rope, cord, cable, chain
- 5. simple machine consisting of a twisted inclined plane wrapped around a cylinder
- 6. a flat supporting surface tilted at an angle from the vertical direction
- 9. Transferred to an object while or when work is done
- 10. unit of power
- 12. the rate at which work is done