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If for a fluid in motion, the pressure at a point is same in all directions, then the fluid is
  • a)
    A real fluid
  • b)
    A Newtonian fluid
  • c)
    An ideal fluid
  • d)
    A Non-Newtonian fluid
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
If for a fluid in motion, the pressure at a point is same in all direc...
An ideal fluid is a fluid that has several properties including the fact that it is:
Incompressible - the density is constant with respect to pressure.
Irrotational - the flow is smooth, no turbulence.
Nonviscous - (Inviscid) fluid has no internal friction (η = 0)
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Most Upvoted Answer
If for a fluid in motion, the pressure at a point is same in all direc...
Explanation:


When the pressure at a point in a fluid in motion is the same in all directions, then the fluid is known as an ideal fluid. This is because an ideal fluid is defined as a fluid that is incompressible and has no viscosity. An ideal fluid is a theoretical concept and does not exist in reality, but it is a useful model for understanding the behavior of real fluids.

Characteristics of Ideal Fluid:

  • An ideal fluid is incompressible, which means that its density remains constant at all points in the fluid.

  • An ideal fluid has no viscosity, which means that there is no resistance to flow.

  • An ideal fluid is irrotational, which means that there is no swirling or rotating motion in the fluid.

  • An ideal fluid is inviscid, which means that there is no internal friction in the fluid.

  • An ideal fluid is a continuous medium, which means that there are no empty spaces or gaps in the fluid.



Applications of Ideal Fluids:

  • Ideal fluids are used in the study of aerodynamics, which is the study of the motion of air and other gases.

  • Ideal fluids are used in the design of aircraft and spacecraft, where the behavior of fluids under different conditions is important.

  • Ideal fluids are used in the design of hydraulic systems, where the behavior of fluids under pressure is important.



Conclusion:


In conclusion, an ideal fluid is a theoretical concept of a fluid that is incompressible, has no viscosity, and exhibits no turbulence. When the pressure at a point in a fluid in motion is the same in all directions, then the fluid can be considered an ideal fluid. Ideal fluids are useful models for understanding the behavior of real fluids in a variety of applications.
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