Across
- 3. the measure of how much work put into a machine is changed into useful output work by the machine
- 4. the rate at which work is done
- 5. force applied by the machine
- 7. inclined plane wrapped in a spiral around a cylindrical post
- 8. an inclined plane with one or two sloped sides
Down
- 1. a bar that is free to pivot around a fixed point (fulcrum)
- 2. force applied to the machine
- 4. a grooved wheel with a rope, chain or cable running along the groove
- 6. a device that makes doing work easier
- 8. transfer of energy that occurs when a force makes an object move