Further Physics - Observing the Universe - Pressure, Volume and Temperature, Absolute Zero

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Further Physics - Observing the Universe - Pressure, Volume and Temperature, Absolute Zero

Pressure, Volume and Temperature

Fluid pressure is caused by particles in a fluid moving about. When a particle collides with an object, it exerts a force. This force is felt as pressure.

The amount of pressure depends upon:

  • The number of collisions per second
  • The momentum of the particles

As the volume of a container is reduced, the particles have less room to move about and so they collide with the container more often, increasing the pressure.

If the fluid is heated up the particles…

Comments

Jazz Shiret

This is a big help thank you :D

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