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A Verification Device of Momentum Conservation

A verification device and momentum conservation technology, applied in teaching models, instruments, educational tools, etc., can solve problems such as large system errors and no adjustment level, and achieve the effect of reducing difficulty, reducing impact, and strong practicability

Active Publication Date: 2018-10-16
李新源
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing experimental instruments do not have the function of adjusting the level
If the experimental table is not level, the ball is not thrown flat in the air, which will bring a large systematic error to the experiment

Method used

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  • A Verification Device of Momentum Conservation
  • A Verification Device of Momentum Conservation
  • A Verification Device of Momentum Conservation

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0021] Depend on Figure 1 to Figure 10 Provide, the present invention comprises horizontal plate 1, and the left and right ends of plate 1 lower side are fixed with vertical riser 2, the outside of every riser 2 has the first riser, the inboard of each riser 2 has The second vertical board is connected and fixed together with the lower end of the first vertical board to form a U-shaped frame 3 with an upward opening. The lower end of the vertical board 2 is inserted into the cavity of the U-shaped frame 3, and the U-shaped frame 3 can slide up and down along the vertical plate 2, and the U-shaped frame 3 can be fixed at any height on the vertical plate 2;

[0022] The inside of each second vertical board is provided with a sliding plate 7 that can slide up and down along the second vertical board. The sliding plate 7 i...

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Abstract

The invention provides a momentum conservation verifying device which effectively solves the problem that the initial speed of a pellet is out of level in a traditional momentum conservation experiment. The adverse effect of the out-of-level property of an experimental platform on experimental results is avoided. The momentum conservation verifying device comprises a flat plate, a riser plate is arranged on the lower portion of the flat plate, a first vertical plate is arranged on the outer side of the riser plate, a second vertical plate is arranged on the inner side of the riser plate and fixedly connected with the lower end of the first vertical plate to form a U-shaped frame, a sliding plate is arranged on the inner side of the second vertical plate, a first positioning pin and a second positioning pin are arranged on the sliding plate, racks are arranged on the inner side of the sliding plate, first gears are arranged on the inner sides of the racks, a second gear is arranged between the first gears, and a balancing weight is arranged on the lower portion of the second gear. The momentum conservation verifying device is original in conception, ingenious in structure, strong inpracticability and easy to popularize, the initial speed level of the pellet in the momentum conservation experiment is effectively kept, experimental precision is improved, experimental level adjustment difficulty is reduced, operation of staff is facilitated, and understanding of students is also facilitated.

Description

technical field [0001] The invention relates to the technical field of high school physics experiment devices, in particular to a verification device for momentum conservation. Background technique [0002] At present, the experimental equipment used in high schools to verify the conservation of momentum is to verify the law of conservation of momentum by using a small ball that rolls down an inclined rail to collide with a small ball that is stationary on a horizontal orbit. The experiment requires that the colliding ball and the collided ball be ejected from the horizontal track, which requires the instrument to be horizontal. However, existing experimental instruments do not have the function of adjusting the level. If the experimental table is not level, the ball will not be thrown flat in the air, which will bring a large systematic error to the experiment. [0003] Therefore, the present invention provides a verification device for conservation of momentum to solve t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09B23/10
CPCG09B23/10
Inventor 李新源
Owner 李新源
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