Across
- 3. work/time
- 4. rope and wheel used to lift something
- 5. typically has 2 sloped sides
- 10. every machine will run more efficiently if you reduce ________
Down
- 1. type of machine that uses two or more machines which operate together
- 2. this machine has three classes
- 6. measure of how much work put into a machine is changed into useful output
- 7. a device that makes work easier
- 8. between the input and output force in a first class lever
- 9. transfer of energy that occurs when a force makes an object move