Across
- 3. what a screw driver is used for
- 7. the pivot or the fixed part needed to work with a bar
- 8. a rigid bar resting on a pivot
- 9. keeping or showing a balance; arranged in good proportions
- 11. any of the basic mechanical devices for applying a force
- 12. a wheel with a groove in it in which a rope can be passed to raise or lower a load
- 13. a circular object that revolves on an axle
Down
- 1. a surface of which one end is higher than the other
- 2. a plane inclined at an angle
- 4. a rod (either fixed or rotating) passing through the center of a wheel or group of wheels
- 5. the resistance that one surface encounters when moving against another surface
- 6. the force that attracts all objects toward the center of the Earth
- 10. the weight or mass that is being supported or carried
- 13. an object that has one thick end that tapers to a thin edge on one side.