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The Ideal Gas Law: Crash Course Chemistry #12

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Animated Video created using Animaker - https://www.animaker.com ava script chuchu

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Pressure is a force exerted by the substance per unit area on another substance. The pressure of a gas is the force that the gasexerts on the walls of its container. When you blow air into a balloon, the balloon expands because the pressure of air molecules is greater on the inside of the balloon than the outside.

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http://www.cyberphysics.co.uk/topics/forces/pressure_in_fluiids.htm

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Fluids at Rest: Crash Course Physics #14

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This episode is sponsored by Audible. Try Audible: http://audible.com/crashcourse Get Your Crash Course Physics Mug here: http://store.dftba.com/products/crashcourse-physics-mug In this episode of Crash Course Physics, Shini is very excited to start talking about Fluids. You see, she's a Fluid Dynamicist and Mechanical Engineer, so fluids are really important to her.

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Pressure in Fluids. Pressure is a measurement of the force per unit area. Fluid pressure can be caused by gravity, acceleration, or forces in a closed container. Since a fluid has no definite shape, itspressure applies in all directions

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The pressure of a solid can also be interpreted using the argument based on liquid pressure. The atoms inside a solid can be considered static. Therefore, no pressure is created by the momentum change of a solid. But the weight of the solid column above a certain point is effective on the said point. Therefore, a pressure inside a solid can appear.

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Pressure (symbol: p or P) is the force applied perpendicular to the surface of an object per unit area over which that force is distributed. Gauge pressure (also spelled gage pressure)[a] is the pressure relative to the ambient pressure.