Concave transparent acrylic body with spherical curvature. A rolling ball oscillates inside the concavity about its rest position like a mathematical pendulum does. The radius of curvature is equivalent to the length of a normal pendulum.
Includes three steel balls.
![Rolling Pendulum -
a simple mathematical pendulum, 1017332 [U8498293], 振动](/imagelibrary/U8498293/U8498293_01_Rolling-Pendulum-a-simple-mathematical-pendulum.jpg)
![Oersted's Device, 1009710 [U29310], 磁力](/thumblibrary/U29310/U29310_01_140_140_Oersteds-Device.jpg)
![4个摆动振子, 1003230 [U30035], 振动](/thumblibrary/U30035/U30035_01_140_140_4个摆动振子.jpg)
![Helmholtz Resonator d = 70 mm, 1003520 [U8430310], 声学](/thumblibrary/U8430310/U8430310_01_140_140_Helmholtz-Resonator-d-70-mm.jpg)
![Force on a Conductor in a Magnetic Field, 1003251 [U30065], 磁场](/thumblibrary/U30065/U30065_01_140_140_Force-on-a-Conductor-in-a-Magnetic-Field.jpg)
![Lenz's Law Apparatus, 1009959 [U8556012], 感应现象](/thumblibrary/U8556012/U8556012_01_140_140_Lenzs-Law-Apparatus.jpg)
![一组6个钢球 -
用于弹性和非弹性碰撞实验, 1002939 [U15014], 线性运动](/thumblibrary/U15014/U15014_01_140_140_一组6个钢球-用于弹性和非弹性碰撞实验.jpg)
![研究导热性的实验工具箱, 1003497 [U45055], 热传导和热辐射](/thumblibrary/U45055/U45055_01_140_140_研究导热性的实验工具箱.jpg)
![振动发生器, 1000701 [U56001], 振动](/thumblibrary/U56001/U56001_01_140_140_振动发生器.jpg)
![橡皮带, 1000702 [U56002], 机械波](/thumblibrary/U56002/U56002_01_140_140_橡皮带.jpg)
![拉帝尼盘，圆形，直径240 mm(没有展示图), 1000705 [U56005], 振动](/thumblibrary/U56005/U56005_01_140_140_拉帝尼盘-圆形-直径240-mm-没有展示图.jpg)
![克拉尼板，正方形, 1000706 [U56006], 振动](/thumblibrary/U56006/U56006_01_140_140_克拉尼板-正方形.jpg)
![Blue Food Colouring, 1000793 [U8410620], 耗材](/thumblibrary/U8410620/U8410620_01_140_140_Blue-Food-Colouring.jpg)
![Helmholtz Resonator d = 52 mm, 1003521 [U8430320], 声学](/thumblibrary/U8430320/U8430320_01_140_140_Helmholtz-Resonator-d-52-mm.jpg)
![Helmholtz Resonator d = 40 mm, 1003522 [U8430330], 声学](/thumblibrary/U8430330/U8430330_01_140_140_Helmholtz-Resonator-d-40-mm.jpg)
![Helmholtz Resonator d = 34 mm, 1003523 [U8430340], 声学](/thumblibrary/U8430340/U8430340_01_140_140_Helmholtz-Resonator-d-34-mm.jpg)
![Induction Tube Apparatus with 6 Coils, 1001005 [U8511200], 感应现象](/thumblibrary/U8511200/U8511200_01_140_140_Induction-Tube-Apparatus-with-6-Coils.jpg)
![不锈钢杆 1000mm, 1002936 [U15004], 杆](/thumblibrary/U15004/U15004_01_140_140_不锈钢杆-1000mm.jpg)
![Helical Springs 2,5 N/m, 1003515 [U8405820], 螺旋弹簧](/thumblibrary/U8405820/U8405820_01_140_140_Helical-Springs-2-5-Nm.jpg)
![喇叭扩音器, 1000811 [U8432680], 声学](/thumblibrary/U8432680/U8432680_01_140_140_喇叭扩音器.jpg)
![Constantan Resistance 0,4 mm / 50 m, 1000957 [U8495537], 电循环](/thumblibrary/U8495537/U8495537_01_140_140_Constantan-Resistance-0-4-mm-50-m.jpg)