INERTIA Disc 慣性雙環
演示物體移動轉動時慣性 inertia的大小取決於其中的質量分佈.
It comprise one AL ring and one wood disc. When the ring & disc are released
simultaneously on an inclined plane, wood disc is faster than the AL ring due
to the difference in their moment of inertia. Both disc are 12cm dia. & 3cm
thickness, mass difference ~ 0.5kg
Item no : JHL 634
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