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An Experimental Device for Measuring and Calculating Centripetal Force in Middle School Physics

An experimental device and technology of centripetal force, applied in the direction of measuring device, force/torque/work measuring instrument, teaching model, etc., can solve problems such as incomplete understanding and influence on the correct calculation of centripetal force

Inactive Publication Date: 2020-12-18
浙江如裕纺织科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] According to the calculation formula of centripetal force, it can be seen that centripetal force is determined by the mass, angular velocity and radius of rotation of the object under test. The measurement of centripetal force in existing middle school experiments usually calculates the value of centripetal force by changing the above three physical quantities on the plane, so as to observe the impact of these physical quantities on centripetal force. However, students will not have a thorough understanding of the physical quantity of the radius of rotation during the learning process, which affects the correct calculation of the centripetal force

Method used

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  • An Experimental Device for Measuring and Calculating Centripetal Force in Middle School Physics
  • An Experimental Device for Measuring and Calculating Centripetal Force in Middle School Physics
  • An Experimental Device for Measuring and Calculating Centripetal Force in Middle School Physics

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Embodiment 1

[0023] see Figure 1-5 , a middle school physics centripetal force measurement experimental device, comprising a base plate 1, a pillar 2 and a test bench 7; the left and right sides of the base plate 1 are symmetrically fixed with two side plates 6, and the upper ends of the two side plates 6 are fixed by a beam 9 connection; the pillar 2 is fixedly installed in the middle position on the bottom plate 1, the pillar 2 is a hollow cylindrical structure, and the outside of the pillar 2 is provided with a slide groove 16, and the outside of the pillar 2 is also provided with a sliding sleeve 4, the sliding sleeve 4 is slidingly connected with the chute 16; the four sides of the chute 16 are symmetrically provided with threaded holes 17, and there are several threaded holes 17, which are equidistantly arranged from top to bottom along the chute 16, and the four sides of the chute 4 are symmetrical Fastening screws 18 corresponding to the threaded holes 17 are provided, and the sli...

Embodiment 2

[0029] see Figure 1-5 , a middle school physics centripetal force measurement experimental device, comprising a base plate 1, a pillar 2 and a test bench 7; the left and right sides of the base plate 1 are symmetrically fixed with two side plates 6, and the upper ends of the two side plates 6 are fixed by a beam 9 connection; the pillar 2 is fixedly installed in the middle position on the bottom plate 1, the pillar 2 is a hollow cylindrical structure, and the outside of the pillar 2 is provided with a slide groove 16, and the outside of the pillar 2 is also provided with a sliding sleeve 4, the sliding sleeve 4 is slidingly connected with the chute 16; the four sides of the chute 16 are symmetrically provided with threaded holes 17, and there are several threaded holes 17, which are equidistantly arranged from top to bottom along the chute 16, and the four sides of the chute 4 are symmetrical Fastening screws 18 corresponding to the threaded holes 17 are provided, and the sli...

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Abstract

The invention discloses a centripetal force measuring and calculating experiment device for middle school physics. The centripetal force measuring and calculating experiment device comprises a base plate, a supporting column and an experiment table, wherein the supporting column is fixedly installed at the middle position of the base plate and is of an internally hollow cylinder structure, the outer side of the supporting column is provided with a sliding groove, a sliding sleeve also sleeves the outer side of the supporting column, and the sliding sleeve is slidingly connected with the sliding groove. A rotary shaft is rotatably installed in the supporting column, a cavity is formed in the upper side of the rotary shaft, a winding roller is rotatably installed at the bottom of the cavity,a pull rope is wound around the winding roller, and an experiment ball is placed on the experiment table and is fixedly connected with the other end of the pull rope. The centripetal force measuringand calculating experiment device can measure and calculate the influence of common physical quantity on a centripetal force, can also measure and calculate the influence of an angle on the centripetal force, can make a student more easily understand the practical significance of physical quantities in a centripetal force computational formula.

Description

technical field [0001] The invention relates to an experimental device, in particular to an experimental device for measuring centripetal force in middle school physics. Background technique [0002] In classical mechanics, centripetal force is the resultant external force directed to the center of the circle (center of curvature) when an object moves along a circular or curved orbit. The word "centripetal force" is named from the effect of this combined external force. This effect can be produced by any force such as elasticity, gravity, friction, etc., or it can be provided by the resultant force or component force of several forces. [0003] Because the circular motion belongs to the curved motion, the object in the circular motion will also be affected by the resultant external force different from its speed direction. For an object moving in a circle, the centripetal force is a pulling force whose direction changes constantly as the object moves in a circular orbit. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09B23/10G01L5/00
CPCG01L5/00G09B23/10
Inventor 吴一倜
Owner 浙江如裕纺织科技股份有限公司
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