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在分析圆锥摆的运动时,常常会因为忽视了这种运动发生的条件而得出错误的结果,最近我们在教学中就遇到了这样一个问题.题目如图1(a)所示,半径为 R=0.1m 的光滑圆环可绕通过圆心的竖直轴 PQ 以角速度ω匀速转动,现在大圆环上套一个质量
When analyzing the movement of conical pendulums, we often get erroneous results by ignoring the conditions of this movement. Recently we encountered such a problem in teaching. The topic is shown in Figure 1(a). The radius is The smooth ring with R=0.1m can be rotated at a uniform speed around the vertical axis PQ of the center of the circle at the angular velocity ω. Now a mass is placed on the large ring.