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The drag force experienced by an object in a fluid stream is
- a)the resultant fluid dynamic force acting on the object
- b)the horizontal component of the resultant fluid ... dynamic force acting on the object
- c)the horizontal force due to pressure variation over the surface of object
- d)the component of the result fluid dynamic force in the flow direction
Correct answer is option 'D'. Can you explain this answer?
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The drag force experienced by an object in a fluid stream isa)the resu...
Explanation:
Drag force is the force that opposes the motion of an object in a fluid stream. It is caused by the interaction between the object and the fluid, which results in a force acting on the object in the opposite direction to its motion.
The correct answer is option 'D', i.e., the component of the resultant fluid dynamic force in the flow direction. This is because the drag force is a component of the resultant fluid dynamic force that acts in the direction of the flow. The other components of the fluid dynamic force are the lift force and the side force, which act perpendicular to the flow direction.
The drag force is proportional to the square of the velocity of the fluid, the size and shape of the object, and the properties of the fluid, such as its density and viscosity. It can be calculated using various empirical and analytical methods, such as the drag coefficient and the Reynolds number.
In summary, the drag force experienced by an object in a fluid stream is the component of the resultant fluid dynamic force that acts in the direction of the flow. It is caused by the interaction between the object and the fluid and depends on various factors such as fluid velocity, object size and shape, and fluid properties.
Drag force is the force that opposes the motion of an object in a fluid stream. It is caused by the interaction between the object and the fluid, which results in a force acting on the object in the opposite direction to its motion.
The correct answer is option 'D', i.e., the component of the resultant fluid dynamic force in the flow direction. This is because the drag force is a component of the resultant fluid dynamic force that acts in the direction of the flow. The other components of the fluid dynamic force are the lift force and the side force, which act perpendicular to the flow direction.
The drag force is proportional to the square of the velocity of the fluid, the size and shape of the object, and the properties of the fluid, such as its density and viscosity. It can be calculated using various empirical and analytical methods, such as the drag coefficient and the Reynolds number.
In summary, the drag force experienced by an object in a fluid stream is the component of the resultant fluid dynamic force that acts in the direction of the flow. It is caused by the interaction between the object and the fluid and depends on various factors such as fluid velocity, object size and shape, and fluid properties.
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The drag force experienced by an object in a fluid stream isa)the resultant fluid dynamic force acting on the objectb)the horizontal component of the resultant fluid ... dynamic force acting on the objectc)the horizontal force due to pressure variation overthe surface of objectd)the component of the result fluid dynamic force in the flow directionCorrect answer is option 'D'. Can you explain this answer?
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