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A force that causes a balloon that is out of helium to come back down to the ground is ______ |
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Answer» Gravitational ForceHelium balloons are pulled by GRAVITY. The reason they don't fall is that there is another force acting on them, a BUOYANT force from air pressure that is equal to the WEIGHT of the air displaced by the balloon.Explanation:please mark me as brainliest. |
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