The method for validating the angle momentum conversation law with the linear speed

A technology of angular momentum conservation and law, applied in educational appliances, instruments, teaching models, etc., can solve problems such as difficulty in controlling the falling time of heavy balls and failure of experiments
CN101017619AInactive Publication Date: 2007-08-15LIAONING NORMAL UNIVERSITY
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
LIAONING NORMAL UNIVERSITY
Publication Date
2007-08-15
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

This invention relates to one liner speed test angle motion energy constant rules method in experiment method, which is applied in experiment and teach process, wherein, the method is to use cushion pad rotation test weight ball dropping angle motion energy; it fixes the bar light block slice in width of 5 to 8 mm into rotation disc with two near photo electricity gates; the bar light block slice linear speed method is to test angle motion constant rules.
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Description

1. Technical field

[0001] The method of using linear velocity to verify the law of conservation of angular momentum is an invention of an experimental method, that is, the method of measuring linear velocity by using a bar-shaped light barrier, which is mainly used in experiments and teaching processes. With this method, the verification of angular momentum and its conservation law can be successfully demonstrated and measured, which greatly reduces the experimental error. 2 background technology

[0002] At present, there are many kinds of instruments and methods used to verify the law of conservation of angular momentum. The air-cushion turntable is the latest instrument that appeared in China after 2000. It adopts the latest technology and design and U-shaped light-shielding sheet to measure the angular velocity.

[0003] According to the law of conservation of angular momentum, when the resultant external torque on a rigid body is zero, the value of its angular momentum...

Claims

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