SIMPLE MACHINES
Across
- 3. A lever used by carpenters.
- 5. An example of a ____ order lever is a fishing rod.
- 6. Example of wheel and axle is a ____ knob.
- 7. Example of lever in a playground.
- 10. Pulley system used by mechanics is a block and ____.
- 11. Simple machine made with a wheel on an axle and a rope.
- 12. Mechanical advantage of a wheel and axle is ____ diameter divided by axle diameter.
- 13. Example of an inclined plane.
- 14. Type of simple machine is a wheel and ____.
- 16. Mechanical advantage of a pulley is the number of ____ supporting the load.
Down
- 1. A wheelbarrow is an example of a ____ order lever.
- 2. Scissors are an example of a ____ order lever.
- 4. Effectiveness of a simple machine is its mechanical ____.
- 8. Pivot.
- 9. A rigid bar that turns freely about a pivot.
- 11. A type of simple machine is an inclined ____.
- 15. Weight to be moved by a simple machine.