Ratchet Effect

This applet requires Sun's Java VM 2 which your browser may perceive as a popup. Which it is not. If you want to see the applet work, visit Sun's website at http://www.java.com/en/download/index.jsp, download and install Java VM and enjoy the applet.

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The applet above offers a simulation of the ratchet effect. Two stair like plates move alongside each other ultimately downwards. However, while one of them slides down uniformly, the other one staggers up and down, with the cumulative motion still being downwards. The two create a curious ratchet effect: they cooperate to move an object upwards.

Discussion


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