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Novel experimental apparatus for quantitatively verifying momentum moment conservation law

A technology of conservation law and moment of momentum, applied in the field of new quantitative verification experimental apparatus for law of conservation of momentum moment, can solve problems such as inability to demonstrate visually, and achieve novel ideas and ingenious structures

Pending Publication Date: 2018-05-25
ZHEJIANG UNIV CITY COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

According to the needs of teaching, although the moment of momentum is the angular momentum, the two experimental apparatus patents I have made before cannot vividly demonstrate and quantitatively measure the law of conservation of moment of momentum for particle groups

Method used

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  • Novel experimental apparatus for quantitatively verifying momentum moment conservation law
  • Novel experimental apparatus for quantitatively verifying momentum moment conservation law
  • Novel experimental apparatus for quantitatively verifying momentum moment conservation law

Examples

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Embodiment Construction

[0027] The present invention will be further described below in conjunction with the examples. The description of the following examples is provided only to aid the understanding of the present invention. It should be pointed out that for those skilled in the art, without departing from the principles of the present invention, some improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

[0028] The new experimental instrument for quantitatively verifying the law of conservation of moment of momentum includes: shooting gun base 1, shooting gun support column 2, shooting gun 3, free rotating disc 4, bullet chamber 5, photoelectric door fixing disc 6, upper and lower wheel shaft fixing columns 7, free Rotary shaft 8, wheel shaft fixed column support leg 9, electric control box 10.

[0029] The shooting gun base 1 is provided with three leveling sup...

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Abstract

The invention relates to a novel experimental apparatus for quantitatively verifying the momentum moment conservation law. The novel experimental apparatus comprises a shooting gun base, a shooting gun supporting pillar, a shooting gun, a free turntable, a bullet cavity, a photogate fixing disc, an upper wheel shaft fixing pillar, a lower wheel shaft fixing pillar, a free rotary shaft, wheel shaftfixing pillar supporting legs and an electric control box; leveling supporting legs are arranged below the shooting gun base, and a counter weight is arranged on the shooting gun base; the shooting gun fixing pillar is fixed to the shooting gun base through a supporting pillar fixing screw, and the corresponding position of the shooting gun barrel of the shooting gun is fixed at the shooting gunsupporting pillar by shooting gun barrel fixing screw. The novel experimental apparatus for quantitatively verifying the momentum moment conservation law has the advantages that the overall conceptionis novel, the structure is ingenious, the shooting gun barrel is adopted to impact a bullet to obtain large momentum, and then the bullet enters the bullet cavity which is fixed to the edge of the free turntable, so that the free turntable obtains moment of momentum; the moment of momentum further comprises the bullet itself, which verifies the correctness of the particle group momentum moment conservation law in essence.

Description

technical field [0001] The invention belongs to the category of physics and mechanics, and in particular relates to a novel experimental instrument for quantitatively verifying the law of conservation of momentum moment. Background technique [0002] At present, all experimental instruments for verifying the conservation of angular momentum sold in laboratories or on the market are nothing more than three types: one, hand-push type, that is, when the handle is pulled down by hand, the distance between the connecting rod and the steel ball from the rotating shaft At the maximum (state 1), the rotating connecting rod and the steel ball are artificially rotated quickly, and then, the handle is grasped and pushed up, so that the distance between the rotating connecting rod and the steel ball is reduced (state 2), and state 1 is compared with state 2 The moment of inertia of the rotating system is large. Since the total external torque of the rotating system is zero and the angul...

Claims

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Application Information

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IPC IPC(8): G09B23/10
CPCG09B23/10
Inventor 张锐波
Owner ZHEJIANG UNIV CITY COLLEGE
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