Across
- 2. ratio of output to input.
- 5. distance through which a mass moves.
- 6. a simple machine that has three classes.
- 8. a machine that has M.A=2.
- 9. is there any unit of M.A (write Y for yp, and N for no.)?
Down
- 1. quantity that tells how easily a machine can work.
- 3. part of a simple machine that joins effort and load.
- 4. a machine used in wells.
- 7. distance covered by our force.