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