Gravity and friction relationship test device
An experimental device and a gravity device technology, applied in the field of physical experiments, can solve problems such as confusing the relationship between gravity and pressure, understanding deviations in middle school mechanics knowledge, difficult operability, etc., to achieve good stability, improve cognitive ability, and repeatability strong effect
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[0025] like figure 1 The shown experimental device for the relationship between gravity and friction includes a support device 1 installed on a column 4, a gravity device 2 placed on a light pull tab 8 and a force changing device 3 assembled on a pedestal 6; the support device 1 The support piece 7 holds up the lightweight pull piece 8, and the bayonet 9 provided on one side of the support piece 7 is clamped on the column 4, and the bayonet 9 is clamped by the fastening bolt 10 at the same time; the top of the container 11 of the gravity device 2 is set Container cover 12, magnet 13 is arranged inside container 11; The electromagnet 15 lower side of variable force device 3 is sliding rheostat 16, and sliding rheostat 16 is made up of power supply 17, switch 18, slide piece 19, wire 20; Column 4 is placed on pedestal 6 Above, the upper end of the column 4 is provided with a beam 5 , and the marker pointer 14 is assembled on the column 4 .
[0026] like figure 2 As shown, sym...
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