Guinea & feather

Guinea & Feather

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Demonstrates the famous lunar experiment

$155.00 $170.50
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Demonstrates Newton’s law of universal gravitation in that the Earth’s gravity accelerates all objects equally in a vacuum, regardless of mass i.e. that a heavy object (a British guinea) and a light object (a feather) will fall at exactly the same rate.

Drop a steel ball and a feather in vacuum. See how fast they fall. A vacuum pump is required for this experiment (not included).