Two pendulums on a frame of flexible steel.

3A70.20 • B+15+10

Two pendulums on a flexible frame. Two heavy steel balls hang on strings from a steel frame. (The frame is made of thin strips of cold rolled steel). As the balls move, the frame flexes, transferring energy.

Related Demos

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3A70.10 Wilberforce pendulum: Oscillates between rotation and up-down. 3A70.25 Two large pendulums coupled with spring. 3A70.31 Three large pendulums coupled with two springs. 3A70.35 Two balls hung on the same string, one in middle, one at the end.

B+15+0 Two large pendulums coupled with spring. B+15+1 Three large pendulums coupled with two springs. B+15+5 Wilberforce pendulum: Oscillates between rotation and up-down. B+15+15 Two balls hung on the same string, one in middle, one at the end. B+15+20 5 Metronomes on board and cans sync their oscillations B+15+25 Applet: Normal Modes B+15+26 Coupled Oscillations Simulation