Atmospheric pressure with a rubber sucker, Science

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Measuring atmospheric pressure with a rubber sucker

The force needed to pull the sucker away from a smooth surface can be found by using a spring balance. The area on which the atmospheric pressure is acting can be calculated by pressing the sucker on a piece of squared paper.

Use a sucker which has a hook attached. If one is not available, tie some copper wire round the neck and shape a loop.

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