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Which of the following forces generally act on fluid while considering fluid dynamics?
1. Viscous force
2. Pressure force
3. Gravity force
4. Turbulent force
5. Compressibility force
2. Pressure force
3. Gravity force
4. Turbulent force
5. Compressibility force
- a)(1), (2), (3), (4) and (5)
- b)(1), (2), (3) and (4)
- c)(1), (2), (3) and (5)
- d)(1), (3), (4) and (5)
Correct answer is option 'A'. Can you explain this answer?
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Most Upvoted Answer
Which of the following forces generally act on fluid while considering...
In a fluid, the following forces are present
Gravity force (Fg) due to gravity
Pressure force Fp due to pressure of fluid
Viscous force Fν due to viscosity
Tension force Fs due to surface tension
Turbulent force Ft due to turbulence.
Fc due to compressibility.
∴ Fnet = Fg + Fp + Fν + Fs + Ft + Fc
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Community Answer
Which of the following forces generally act on fluid while considering...
Viscous Force:
- Viscous force is a resistance force that arises due to the internal friction between fluid layers moving at different velocities.
- It is responsible for the viscosity of the fluid and determines its ability to flow.
- Viscous force is important in fluid dynamics as it influences the velocity distribution and flow patterns within the fluid.
Pressure Force:
- Pressure force is the force exerted by a fluid on an object immersed in it.
- It acts perpendicular to the surface of the object and is directly proportional to the pressure exerted by the fluid.
- Pressure force is a significant force in fluid dynamics as it affects the overall flow behavior and can cause fluid to move or change direction.
Gravity Force:
- Gravity force is the force exerted by the gravitational field of the Earth or any other celestial body on a fluid.
- It acts vertically downwards and is proportional to the mass of the fluid.
- Gravity force plays a crucial role in fluid dynamics as it influences the flow patterns, buoyancy, and pressure distribution within the fluid.
Turbulent Force:
- Turbulent force is a force that arises due to the irregular and chaotic motion of fluid particles in a turbulent flow.
- It is responsible for the transfer of momentum between different fluid layers and is generally larger than the viscous force.
- Turbulent force is significant in fluid dynamics as it affects the overall flow behavior, mixing, and energy dissipation within the fluid.
Compressibility Force:
- Compressibility force is the force that arises due to the change in density of a fluid caused by compression or expansion.
- It is important in compressible fluid dynamics, where the density changes significantly with pressure variations.
- However, in most practical applications, fluids are considered incompressible, and compressibility force can be neglected.
Conclusion:
All of the mentioned forces - viscous force, pressure force, gravity force, turbulent force, and compressibility force - generally act on fluids in the context of fluid dynamics. These forces collectively influence the flow behavior, velocity distribution, pressure distribution, and other important characteristics of fluid flow. Therefore, the correct answer is option 'A' - (1), (2), (3), (4), and (5).
- Viscous force is a resistance force that arises due to the internal friction between fluid layers moving at different velocities.
- It is responsible for the viscosity of the fluid and determines its ability to flow.
- Viscous force is important in fluid dynamics as it influences the velocity distribution and flow patterns within the fluid.
Pressure Force:
- Pressure force is the force exerted by a fluid on an object immersed in it.
- It acts perpendicular to the surface of the object and is directly proportional to the pressure exerted by the fluid.
- Pressure force is a significant force in fluid dynamics as it affects the overall flow behavior and can cause fluid to move or change direction.
Gravity Force:
- Gravity force is the force exerted by the gravitational field of the Earth or any other celestial body on a fluid.
- It acts vertically downwards and is proportional to the mass of the fluid.
- Gravity force plays a crucial role in fluid dynamics as it influences the flow patterns, buoyancy, and pressure distribution within the fluid.
Turbulent Force:
- Turbulent force is a force that arises due to the irregular and chaotic motion of fluid particles in a turbulent flow.
- It is responsible for the transfer of momentum between different fluid layers and is generally larger than the viscous force.
- Turbulent force is significant in fluid dynamics as it affects the overall flow behavior, mixing, and energy dissipation within the fluid.
Compressibility Force:
- Compressibility force is the force that arises due to the change in density of a fluid caused by compression or expansion.
- It is important in compressible fluid dynamics, where the density changes significantly with pressure variations.
- However, in most practical applications, fluids are considered incompressible, and compressibility force can be neglected.
Conclusion:
All of the mentioned forces - viscous force, pressure force, gravity force, turbulent force, and compressibility force - generally act on fluids in the context of fluid dynamics. These forces collectively influence the flow behavior, velocity distribution, pressure distribution, and other important characteristics of fluid flow. Therefore, the correct answer is option 'A' - (1), (2), (3), (4), and (5).
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Which of the following forces generally act on fluid while considering fluid dynamics?1. Viscous force2. Pressure force3. Gravity force4. Turbulent force5. Compressibility forcea)(1), (2), (3), (4) and (5)b)(1), (2), (3) and (4)c)(1), (2), (3) and (5)d)(1), (3), (4) and (5)Correct answer is option 'A'. Can you explain this answer?
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