Across
- 4. a simple machine that has a bar that pivots at a fixed point
- 5. the fixed point of a lever
- 8. a simple machine that is a straight, slanted surface
Down
- 1. the number of times the machine multiplies the input force
- 2. a simple machine that is made of a wheel connected to a smaller cylindrical obkect
- 3. the comparison of a machine's work output with the work input
- 6. any device that helps people do work by changing the way work is done
- 7. a simple machine that has a grooved wheel that holds a rope or cable