level: Moments, levers and gears
Questions and Answers List
level questions: Moments, levers and gears
| Question | Answer |
|---|---|
| What is a moment. | A moment is the turning effect of a force acting around a fulcrum (pivot) clockwise or anticlockwise |
| Describe a balanced object in terms of moments. | A balance object is an object which has the anticlockwise moment about a pivot equivalent to the clockwise moment. |
| What three components does a lever consist of? | 1) pivot 2) effort 3) load Arranged in different orders |
| How can I decrease the effort to lift a load. | Increase the lever this will increase the distance from the effort and the pivot making it easier to lift a load. |
| Describe the relationship between a big gear and a small gear. | If a small gear is driven by a large gear the large gear will rotate slowly with a bigger moment. if a large gear is driven by a small gear the large gear will rotate quickly with a smaller moment. |