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The drag force exerted by a fluid on a body immersed in the fluid is due to:
- a)Pressure and viscous forces
- b)Pressure and gravity forces
- c)Pressure and surface tension forces
- d)Viscous and gravity forces
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
The drag force exerted by a fluid on a body immersed in the fluid is d...
Ans. (a) Total drag on a body = pressure drag + friction drag
This question is part of UPSC exam. View all Mechanical Engineering courses
Most Upvoted Answer
The drag force exerted by a fluid on a body immersed in the fluid is d...
Explanation:
When a body is immersed in a fluid, the fluid exerts a force on the body known as drag force. This force is due to two main reasons:
1. Pressure forces: When a fluid flows around a body, it exerts pressure on the surface of the body. This pressure force is responsible for the majority of the drag force.
2. Viscous forces: When a fluid flows around a body, it experiences frictional forces due to the viscosity of the fluid. These forces also contribute to the drag force.
Therefore, the drag force exerted by a fluid on a body immersed in the fluid is due to pressure and viscous forces.
Summary:
- The drag force exerted by a fluid on a body immersed in the fluid is due to pressure and viscous forces.
- Pressure forces are responsible for the majority of the drag force, while viscous forces also contribute to it.
When a body is immersed in a fluid, the fluid exerts a force on the body known as drag force. This force is due to two main reasons:
1. Pressure forces: When a fluid flows around a body, it exerts pressure on the surface of the body. This pressure force is responsible for the majority of the drag force.
2. Viscous forces: When a fluid flows around a body, it experiences frictional forces due to the viscosity of the fluid. These forces also contribute to the drag force.
Therefore, the drag force exerted by a fluid on a body immersed in the fluid is due to pressure and viscous forces.
Summary:
- The drag force exerted by a fluid on a body immersed in the fluid is due to pressure and viscous forces.
- Pressure forces are responsible for the majority of the drag force, while viscous forces also contribute to it.
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The drag force exerted by a fluid on a body immersed in the fluid is due to:a)Pressure and viscous forcesb)Pressure and gravity forcesc)Pressure and surface tension forcesd)Viscous and gravity forcesCorrect answer is option 'A'. Can you explain this answer?
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