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], Oscillations](/imagelibrary/U8498293/U8498293_01_Rolling-Pendulum-a-simple-mathematical-pendulum.jpg)
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![Force on a Conductor in a Magnetic Field, 1003251 [U30065], Magnetic Fields](/thumblibrary/U30065/U30065_01_140_140_Force-on-a-Conductor-in-a-Magnetic-Field.jpg)
![Lenz's Law Apparatus, 1009959 [U8556012], Induction](/thumblibrary/U8556012/U8556012_01_140_140_Lenzs-Law-Apparatus.jpg)
![Set of 6 Steel Balls -
for elastic and inelastic collision experiments, 1002939 [U15014], Linear Motion](/thumblibrary/U15014/U15014_01_140_140_Set-of-6-Steel-Balls-for-elastic-and-inelastic-collision-experiments.jpg)
![Vibration generator -
for investigating oscillations and resonances, 1000701 [U56001], Oscillations](/thumblibrary/U56001/U56001_01_140_140_Vibration-generator-for-investigating-oscillations-and-resonances.jpg)
![Accessories for Standing Waves, 1000702 [U56002], Mechanical Waves](/thumblibrary/U56002/U56002_01_140_140_Accessories-for-Standing-Waves.jpg)
![Chladni plate, circular -
for generating acoustically excited Chladni figures, 1000705 [U56005], Oscillations](/thumblibrary/U56005/U56005_01_140_140_Chladni-plate-circular-for-generating-acoustically-excited-Chladni-figures.jpg)
![Chladni Plate, Square -
for generating acoustically excited Chladni figures, 1000706 [U56006], Oscillations](/thumblibrary/U56006/U56006_01_140_140_Chladni-Plate-Square-for-generating-acoustically-excited-Chladni-figures.jpg)
![Blue Food Colouring, 1000793 [U8410620], Consumables](/thumblibrary/U8410620/U8410620_01_140_140_Blue-Food-Colouring.jpg)
![Helmholtz Resonator d = 52 mm, 1003521 [U8430320], Sound](/thumblibrary/U8430320/U8430320_01_140_140_Helmholtz-Resonator-d-52-mm.jpg)
![Helmholtz Resonator d = 40 mm, 1003522 [U8430330], Sound](/thumblibrary/U8430330/U8430330_01_140_140_Helmholtz-Resonator-d-40-mm.jpg)
![Helmholtz Resonator d = 34 mm, 1003523 [U8430340], Sound](/thumblibrary/U8430340/U8430340_01_140_140_Helmholtz-Resonator-d-34-mm.jpg)
![Induction Tube Apparatus with 6 Coils, 1001005 [U8511200], Induction](/thumblibrary/U8511200/U8511200_01_140_140_Induction-Tube-Apparatus-with-6-Coils.jpg)
![Whiteboard 900x1200 mm², 1002592 [U10031], Whiteboards](/thumblibrary/U10031/U10031_01_140_140_Whiteboard-900x1200-mm.jpg)
![Free Fall and Horizontal Throw, 1000588 [U119831], Oblique throw](/thumblibrary/U119831/U119831_01_140_140_Free-Fall-and-Horizontal-Throw.jpg)
![Laser Ray Box (230 V, 50/60Hz), 1003052 [U17302-230], Optics on a Whiteboard](/thumblibrary/U17302-230/U17302-230_01_140_140_Laser-Ray-Box-230-V-5060Hz.jpg)
![Cast Iron Bolts, 10 pcs., 1000827 [U8442110], Thermal Expansion](/thumblibrary/U8442110/U8442110_01_140_140_Cast-Iron-Bolts-10-pcs.jpg)
![Gyroscope S, 1013228 [U8556020], Rotational Motion](/thumblibrary/U8556020/U8556020_01_140_140_Gyroscope-S.jpg)