CN203631020U - Angular momentum conservation demonstration instrument - Google Patents
Angular momentum conservation demonstration instrument Download PDFInfo
- Publication number
- CN203631020U CN203631020U CN201320871235.9U CN201320871235U CN203631020U CN 203631020 U CN203631020 U CN 203631020U CN 201320871235 U CN201320871235 U CN 201320871235U CN 203631020 U CN203631020 U CN 203631020U
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- China
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- angular momentum
- demonstration instrument
- shaped support
- momentum conservation
- utility
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Abstract
The utility model relates to an angular momentum conservation demonstration instrument. The demonstration instrument comprises a strut whose one end is connected with a base, and the other end of the strut is connected with the center of the bottom end of a U-shaped support through a bearing. Two ends of the U-shaped support are connected with circular orbits on which an intelligent car is disposed. The demonstration instrument is simple in structure and convenient in operation.
Description
Technical field
The utility model relates to a kind of demonstrator in teaching aid field, relates in particular to angular momentum conservation demonstration instrument.
Background technology
Angular momentum conservation law is one of ubiquitous philosophy of nature, and the angular momentum that the suffered bonding force square of the system that refers to is 1 o'clock system remains unchanged.In general physics of college teaching, by means of lecture experiment qualitatively, can help well student to understand and grasp this rule.Traditional method is to use rogowski swivel chair and be equipped with 2 dumbbells or cycle wheel that 1 comparatively heavy, by 2 people's compounding practices, is just accomplished.Due to system, affected by friction force larger, and demonstration effect is undesirable, and this device heaviness, and transfer/storage is all inconvenient.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of simple in structure, easy to operate angular momentum conservation demonstration instrument.
For addressing the above problem, angular momentum conservation demonstration instrument described in the utility model, comprise the pole that one end is connected with base, it is characterized in that: the other end of described pole is connected with the bottom central authorities of U-shaped support by bearing, and the two ends of this U-shaped support are all connected with the circuit orbit which is provided with intelligent carriage.
The demonstration of the conservation of angular momentum
Two identical intelligent carriages are placed on two identical circuit orbits, two intelligent carriages are moved along contrary direction with identical speed in symmetrical position, whole system (U-shaped support) is motionless.The generation of this phenomenon is because system angle momentum conservation, when initial, the total angular momentum of system is zero, and when after two intelligent carriage setting in motions, the angular momentum of two intelligent carriages increases in the other direction, the total angular momentum of system remains zero, and whole system (U-shaped support) is motionless.
Two identical intelligent carriages are placed on two identical circuit orbits, two intelligent carriages are moved in a similar direction, whole system (U-shaped support) starts to rotate.The generation of this phenomenon is because system angle momentum conservation, when initial, the total angular momentum of system is zero, when after two intelligent carriage setting in motions, and the equidirectional increase of the angular momentum of two intelligent carriages, for the total angular momentum of keeping system is zero, whole system (U-shaped support) must opposite spin.
The utility model compared with prior art has the following advantages: the utility model is provided with base, pole, bearing, U-shaped support, circuit orbit and intelligent carriage from top to bottom successively, simple in structure, easy to operate.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Fig. 1 is structural representation of the present utility model.
In figure: 1-base 2-pole 3-U type support 4-circuit orbit 5-intelligent carriage.
Embodiment
As shown in Figure 1, angular momentum conservation demonstration instrument, this demonstrator comprises the pole 2 that one end is connected with base 1; The other end of pole 2 is connected with the bottom central authorities of U-shaped support 3 by bearing, and the two ends of this U-shaped support 3 are all connected with the circuit orbit 4 which is provided with intelligent carriage 5.
Claims (1)
1. angular momentum conservation demonstration instrument, comprise the pole (2) that one end is connected with base (1), it is characterized in that: the other end of described pole (2) is connected with the bottom central authorities of U-shaped support (3) by bearing, and the two ends of this U-shaped support (3) are all connected with the circuit orbit (4) which is provided with intelligent carriage (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320871235.9U CN203631020U (en) | 2013-12-27 | 2013-12-27 | Angular momentum conservation demonstration instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320871235.9U CN203631020U (en) | 2013-12-27 | 2013-12-27 | Angular momentum conservation demonstration instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203631020U true CN203631020U (en) | 2014-06-04 |
Family
ID=50817477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320871235.9U Expired - Fee Related CN203631020U (en) | 2013-12-27 | 2013-12-27 | Angular momentum conservation demonstration instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203631020U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104217631A (en) * | 2014-09-10 | 2014-12-17 | 中国地质大学（武汉） | Combined angular momentum theorem demonstrator |
| RU2755547C1 (en) * | 2021-02-12 | 2021-09-17 | Олег Александрович Поваляев | Measuring module for measuring humidity |
| RU2756664C1 (en) * | 2021-02-12 | 2021-10-04 | Олег Александрович Поваляев | Measuring module for measuring absolute pressure |
-
2013
- 2013-12-27 CN CN201320871235.9U patent/CN203631020U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104217631A (en) * | 2014-09-10 | 2014-12-17 | 中国地质大学（武汉） | Combined angular momentum theorem demonstrator |
| RU2755547C1 (en) * | 2021-02-12 | 2021-09-17 | Олег Александрович Поваляев | Measuring module for measuring humidity |
| RU2756664C1 (en) * | 2021-02-12 | 2021-10-04 | Олег Александрович Поваляев | Measuring module for measuring absolute pressure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20141227 |
|
| EXPY | Termination of patent right or utility model |