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