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A balloon of mass 0.1 kg hovers over the ground because of its helium creating a buoyant force (FB). Assuming the balloon feels no air, resistance and is stationary draw an (FBD)
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SOLVED: Balloons are often filled with helium gas because it weighs only about one- seventh of what air weighs under identical conditions. The buoyancy force which can be expressed as FB PargV
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