Bernoulli's Principle Demonstration with a Balloon. Learn Physic With Demonstrations & Experiments

Lower pressure results from faster-moving air, according to Bernoulli's Principle is the reason why the balloon float in a stable configuration. This straightforward idea explains not only why balloons can float in the air but also how airplanes fly! Like and subscribe for more science videos.
For the experiment i use:

Bernoulli's principle is a fundamental principle of fluid dynamics that describes how the pressure of a fluid changes as it flows through a pipe or over a surface. It states that as the speed of a fluid increases, its pressure decreases, and as the speed of a fluid decreases, its pressure increases. This principle is based on the conservation of energy and the fact that the total energy of a fluid system remains constant.

The Bernoulli's principle is a direct result of the conservation of energy. It states that the sum of the kinetic energy, potential energy and internal energy of a fluid is constant along a streamline. When the fluid flows through a constriction or an expansion, the velocity changes and thus the kinetic energy changes. This change in kinetic energy is compensated by a change in pressure or potential energy.

This principle is commonly observed in everyday life, such as in the operation of airplane wings, flow through a pipe, and the flow over a curved surface. For example, when an airplane wing is designed with a curved upper surface and a flat lower surface, the air passing over the wing has to travel a greater distance over the curved surface than the flat surface, which causes the air to move faster over the curved surface. This results in a decrease in pressure above the wing and an increase in pressure below the wing, which generates lift and allows the airplane to fly.

It's important to note that the Bernoulli's principle is a simplification of the reality and it only holds true in steady state conditions, ideal fluids and non-viscous fluids. When the fluid is turbulent, viscous or unsteady, the Bernoulli's principle is not applicable.

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