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市面上常常能见到图中叫做“繁花规”的玩具,只要把圆珠笔插入齿轮B的C孔内,让齿轮B沿着的内缘齿转动,就能自动画出形形色色的图案,令人赏心悦目。 现在已知A块的内洞半径为3.2厘米,共含96个齿,齿轮B的半径是1.2厘米,共有36个齿,C点离齿轮B的圆心距离为0.6厘米。 那么当笔插入C孔并使齿
In the market, you can often see a toy called “Flower Regulation” in the picture. Simply insert a ballpoint pen into the hole C of gear B and let the gear B rotate along the inner edge of the gear, and you can automatically draw a variety of patterns, which is pleasing to the eye. . It is now known that the inner hole radius of Block A is 3.2 centimeters and it contains 96 teeth in total. The radius of gear B is 1.2 centimeters and there are 36 teeth in total. The distance from point C to the center of gear B is 0.6 centimeters. Then when the pen is inserted into the C hole and makes the teeth