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Magnetic type combined rigid body

A rigid body and magnetic technology, which is applied in the field of magnetic combined rigid body for fixed-axis rotation experiments, can solve the problems of single rigid body model and lack of change, and achieve the effect of deepening understanding, simple structure, practicality and convenience

Inactive Publication Date: 2014-07-30
JIANGNAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, these rigid body models used in physics theory classes are relatively single and lack of change, and there is no corresponding experimental verification for changes in moment of inertia and rotation period.

Method used

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  • Magnetic type combined rigid body
  • Magnetic type combined rigid body

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Embodiment Construction

[0012] Such as figure 1 As shown, rigid body A 1 is a straight rod with uniform mass, made of magnetic material that can be attracted by a magnet; rigid body B 2 is a magnetic ring with uniform mass distribution, which is movably adsorbed on the straight rod. Move up and down along the straight rod, and the center of the ring is on the straight rod.

[0013] Such as figure 2 As shown, rigid body A 1 is a straight rod with uniform mass, made of magnetic material that can be attracted by a magnet; rigid body B 2 is a magnetic disk with uniform mass distribution, and the disk is movably adsorbed on the straight rod. Move up and down along the straight rod, the center of the disc is located on the straight rod.

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Abstract

The invention discloses a magnetic type combined rigid body which comprises a first rigid body and a second rigid body. The first rigid body is a straight rod with mass evenly distributed. The second rigid body is magnetic and movably adsorbed to the first rigid body. The center of mass of the second rigid body is located on the first rigid body. The magnetic type combined rigid body is simple in structure, practical, convenient to use, beneficial to combination of theories and experiments and capable of deepening understanding of the rigid body rotation law.

Description

Technical field [0001] The invention belongs to the field of mechanics experimental instruments, and is specifically a magnetically attracted combined rigid body for fixed-axis rotation experiments. Background technique [0002] In college physics theory courses, when talking about the fixed-axis rotation of rigid bodies, rings, discs, and straight rods are often used as rigid body models to analyze and calculate the law of rigid body fixed-axis rotation. According to theoretical analysis, when the same rigid body rotates around different fixed axes, its moment of inertia and rotation period will change accordingly. However, these rigid body models used in the physics theory class are relatively simple and lack changes, and the changes in the moment of inertia and rotation period lack corresponding experimental verification. Summary of the invention [0003] The technical problem to be solved by the present invention is to develop a magnetically-attracted composite rigid body tha...

Claims

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Application Information

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IPC IPC(8): G09B23/10
Inventor 孙瑷蕙陈健朱纯李鹏浩彭晴晴郑立婷
Owner JIANGNAN UNIV
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