Euler’s Pendulum

Take a thick plate of non-magnetic material and fix a neodymium magnet on top of it. Suspend a magnetic rod (which can be assembled from cylindrical neodymium magnets) underneath it. Deflect the rod so that it touches the plate only with highest edge and release it. Study the motion of such a pendulum under various conditions.

     在一块厚的无磁性的板子顶面固定一块钕磁铁。在其下方悬挂一根磁棒（可以由圆柱形钕磁铁依次拼接而成）。偏转磁棒，使其仅以最高边缘接触板底面并释放它。研究这种摆在各种条件下的运动。