 | | A MANUAL WATER PUMP WITH A PENDULUM |
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 | A basic idea is that a small amount of energy
is necessary for a pendulum to oscillate. |
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 | And then came a double oscillator,
which is a two armed lever. |
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 | | And to have efficient work. |
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 | On one side, you have the two armed lever,
or a seesaw, |
|
 | and on the other, the pendulum, which,
by oscillating, alleviates physical effort. |
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 | This energy is used for pumping water.
It is only needed to maintain the oscillation |
|
 | oscillation of the pendulum, which is much
easier than continuous manual pumping. |
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