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Helium balloons float because helium is significantly less dense than air, creating a buoyant force that lifts the balloon upward. This buoyancy is due to helium's lightweight molecules, which displace more air than the balloon and its contents weigh, res

Pakistan

2 weeks ago

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Description

Lighter than Air: Helium is the second-lightest element and has a low density, making it lighter than air. Buoyancy: When a helium-filled balloon is placed in air, the air surrounding the balloon has a greater mass than the helium inside, plus the balloo

Zohaib Malik

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Pakistan

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34999 PKR