CN101266727A - Onboard single pendulum inertia phenomena testing method and device - Google Patents
Onboard single pendulum inertia phenomena testing method and device Download PDFInfo
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- CN101266727A CN101266727A CNA2007100380551A CN200710038055A CN101266727A CN 101266727 A CN101266727 A CN 101266727A CN A2007100380551 A CNA2007100380551 A CN A2007100380551A CN 200710038055 A CN200710038055 A CN 200710038055A CN 101266727 A CN101266727 A CN 101266727A
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- single pendulum
- testing method
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- onboard
- inertia phenomena
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Abstract
The invention discloses an inertial phenomenon experimental method and device of vehicle single pendulum, the device comprising a flat plate, a remote control vehicle, a remote controller, a swing ball, a swing thread and a bracket. The flat plate is adhered horizontally on top of the vehicle by a glue; the bracket is adhered on side of a carriage by the glue; the single pendulum is tied on the bracket. The remote control vehicle is capable of functioning forward, backward, brake, left turn and right turn. The invention is low in cost, simple in operation and obvious in effect, which is accord with description in teaching material completely and is suitable for student's grouping experiment and teacher's demonstration experiment.
Description
Technical field:
The present invention relates to a kind of experimental technique and device, relate in particular to the inertia phenomena testing method and the device of the onboard single pendulum that a kind of junior middle school physics teaching uses.
Background technology:
In Shanghai second phase curriculum reform junior physics teaching material " inertia " joint, require the teacher to do the lecture experiment of " place a rectangular parallelepiped on the toy dolly, under situations such as the startup of toy dolly, brake, turning, observe the motion conditions of rectangular parallelepiped ".It is very important that this experiment is understood " inertia " to the student.Yet, present domestic this experiment that also do not have, the teacher can only go to describe with language.
Summary of the invention:
At the deficiency on the prior art, the object of the present invention is to provide that a kind of cost is low, simple to operate, the inertia phenomena testing method and the device of the onboard single pendulum that meets the teaching material requirement.
Goal of the invention of the present invention is achieved through the following technical solutions:
A kind of inertia phenomena testing method of onboard single pendulum and device comprise flat board, remote operated vehicle, telepilot, swing ball, cycloid, support.Described flat board sticks on the remote operated vehicle roof with the glue level land; Described support is bonded at the side in compartment with glue; Described single pendulum ties up on the support.
Do that car starts and the inertia phenomena experiment of single pendulum during brake: mounted onboard single pendulum system is placed on the horizontal table top, utilizes telepilot that dolly is started, can observe the swing backward of single pendulum; Make the dolly uniform motion by telepilot, can be observed single pendulum and can not swing; Make the dolly brake by telepilot, can observe the swing forward of single pendulum.
The inertia phenomena experiment of single pendulum when making car and turning: mounted onboard single pendulum system is placed on the horizontal table top, utilize telepilot that dolly is started, after dolly moves with uniform velocity a period of time, make dolly (or to the right) turning left by telepilot, the bead that can be observed single pendulum is thrown out of, to the opposite direction swing of turning.
Apparatus of the present invention utilization be simple and easy to material make, that the present invention has is with low cost, simple to operate, effect is obvious, fits like a glove with the teaching material narration, is suitable as the usefulness of teacher's lecture experiment and student experiment in group.
Description of drawings:
Accompanying drawing is the inertia phenomena testing method and the apparatus structure synoptic diagram of a kind of onboard single pendulum of the present invention
The number in the figure explanation
1---cycloid 2---swing ball 3---flat board
4---remote operated vehicle 5---telepilot 6---supports
Embodiment
How further specify the present invention below in conjunction with accompanying drawing realizes:
Embodiment
1) pass with the cycloid of long 70mm aperture from swing ball central authorities, end knotting, the other end ties up on the support of high 80mm.
2) with 502 glue support is sticked on the railroad car lateral wall of dolly.
3) utilize telepilot that dolly is advanced, observe the swing situation of bead.
When dolly starts, the opposite direction swing that swing ball advances to car.
When the dolly uniform motion, swing ball can not swung.
When dolly brakes, the opposite direction swing that swing ball advances to car.
When dolly turned left, swing ball was swung to the right.
When dolly was turned right, swing ball was swung left.
Claims (3)
1. the inertia phenomena testing method of an onboard single pendulum and device comprise flat board, remote operated vehicle, telepilot, swing ball, cycloid, support.
2. the inertia phenomena testing method of a kind of onboard single pendulum according to claim 1 and device is characterized in that: described remote operated vehicle have advance, retreat, brake, turn left, the right-hand bend function.
3. the inertia phenomena testing method of a kind of onboard single pendulum according to claim 1 and device is characterized in that: swing ball is a kind of in ball pitch, foam ball, baton round, the wooden shot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100380551A CN101266727A (en) | 2007-03-15 | 2007-03-15 | Onboard single pendulum inertia phenomena testing method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100380551A CN101266727A (en) | 2007-03-15 | 2007-03-15 | Onboard single pendulum inertia phenomena testing method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101266727A true CN101266727A (en) | 2008-09-17 |
Family
ID=39989115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100380551A Pending CN101266727A (en) | 2007-03-15 | 2007-03-15 | Onboard single pendulum inertia phenomena testing method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101266727A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103158612A (en) * | 2011-12-16 | 2013-06-19 | 上海通用汽车有限公司 | Car stable state reminding device |
| CN109615988A (en) * | 2019-01-23 | 2019-04-12 | 胡乐怡 | A kind of physics teaching inertial demonstration device |
-
2007
- 2007-03-15 CN CNA2007100380551A patent/CN101266727A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103158612A (en) * | 2011-12-16 | 2013-06-19 | 上海通用汽车有限公司 | Car stable state reminding device |
| CN103158612B (en) * | 2011-12-16 | 2015-07-15 | 上海通用汽车有限公司 | Car stable state reminding device |
| CN109615988A (en) * | 2019-01-23 | 2019-04-12 | 胡乐怡 | A kind of physics teaching inertial demonstration device |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080917 |