Class 11 Physics Mechanical Properties of Fluids Introduction:Fluids


  • Fluids can be defined as any substance which is capable of flowing.
  • They don’t have any shape of their own.
  • For example:-water which does not have its own shape but it takes the shape of the container in which it is poured.

But when we pour water in a tumbler it takes the shape of the tumbler

  • Both liquids and gases can be categorised as fluids as they are capable of flowing.
  • Volume of solids,liquids and gas depends on the stress or pressure acting on it.
  • In this chapter we will study if we apply force on the fluid how does it affects the internal properties of fluids.
  • Fluids offer very little resistance to shear stress.
  • We will also study some characteristic properties of fluids.

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