Simple But Mindblowing Helium Balloon Experiment

Newton’s first law of motion states that an object at rest will stay at rest, while an object in motion will stay in motion, unless acted upon by an unbalanced force. An easy way to demonstrate this is in the car. When the car accelerates, you (and all other objects in the car) appear to be pushed b…
by José Lourenço via Facebook at May 14, 2015 at 08:37AM
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