Across
- 1. A point on which a lever pivots.
- 4. that consists of a wheel over which a wire passes.
- 5. consists of two circular objects of different sizes
- 7. Machine that is a straight, slanted surface, which facilitates the raising of loads.
- 8. measures the ratio of work output to work input in a machine .
Down
- 2. consisting of a bar that pivots at a fixed point called a fulcrum
- 3. A number that tells how many times a machine multiplies input force.
- 6. device helps do work by changing the magnitude