Across
- 2. wheel on an axle or shaft that is designed to support movement and change of direction of a taut cable or belt
- 4. any device that makes doing work easier
- 5. a simple mechanical device that allows a weight to be lifted with less effort
- 7. the force exerted on an object
Down
- 1. point at which the rod pivots.
- 3. a piece of wood, metal, or some other material having one thick end and tapering to a thin edge, that is driven between two objects or parts of an object to secure or separate them.
- 6. the work that you have done
