Across
- 1. Consists of an axle attached to the center of a larger wheel so that the wheel and axle move together
- 4. Inclined plate wrapped in a spiral around a cylindrical post
- 6. Sloping surface such as a ramp that reduces the amount of force to do work
- 7. Device that makes doing work easier
- 8. A grooved wheel with a rope or chain or cable running along the groove
- 9. An inclined plate with one or two sloping sides
- 11. the force applied to the machine
Down
- 2. The measure of how much work put into a machine is changed into useful output work by the machine
- 3. The ratio of the output force to the input force
- 5. Bar that is free to pivot around a fixed point
- 10. the force applied by the machine