High school physics free fall experiment simulation device

Abstract

The invention discloses a high school physics free fall experiment simulation device, and particularly relates to the technical field of physics teaching equipment. The high school physics free fall experiment simulation device comprises a fixed base, wherein a balance plate is arranged at the top of the fixed base; two symmetrically distributed supporting sliding rods are arranged on the two sides of the top of the fixed base; sliding sleeves are slidably connected to the outer sides of the supporting sliding rods; an adjusting cross frame is arranged between the two sliding sleeves; and twosymmetrical mounting plates are fixedly connected to the top of the balance plate. According to the high school physics free fall experiment simulation device, by adjusting the heights of the adjusting cross frame and a bearing plate, a first experimental cylinder and a second experimental cylinder are slidingly stretched, the falling height of experimental spheres is adjusted, pumping is carriedout by a vacuum pump to enable the inner parts of a first experimental assembly and a second experimental assembly to be vacuum, the two experimental spheres with different masses are simultaneously released from the same height, free fall experiment demonstration is carried out, the influence by external force is small, the experiment result is accurate, the experiment error is reduced, the contrast is clear, and the relationship between mass and acceleration is convenient to observe.

Description

technical field [0001] The invention relates to the technical field of physics teaching equipment, more specifically, the invention relates to a high school physics free fall experiment simulation device. Background technique [0002] In the teaching process of middle school physics, in order for students to better and more intuitively understand the acceleration data, it is necessary to demonstrate the simulated free fall movement to students. In the free fall experiment, special equipment is needed to support it, but the traditional free fall experiment simulation device exists. Many problems, complex structure, inconvenient use adjustment, not firm enough fixation, difficult to guarantee the balance, resulting in the accuracy of the simulation test to be questioned, bringing great trouble to the user. [0003] The Chinese patent of patent application publication number CN 109461352 A discloses a high school physics free fall experiment simulation device, which includes a ...

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Problems solved by technology

[0004] However, the high school physics free fall experiment simulation device provided in the above technical solution still has many shortcomings in actual use, such as the lack of a control group, which is not convenient for intuitive observation of the relationship between free fall and mass, and the experimental results are affected by external forces Large, resulting in large errors in the experimental results, which is not conducive to teaching demonstration experiments

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