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Lift force is induced in a object, if
  • a)
    object is symmetrical and axis of symmetry is aligned parallel to flow direction
  • b)
    object axis is inclined to the direction of flow
  • c)
    the object is so shaped that the zones of high and low velocity resulting in pressure difference between upper and bottom sideof the object
  • d)
    none of the above
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Lift force is induced in a object, ifa)object is symmetrical and axis ...
Explanation:

Lift force is the upward force that is exerted on an object when it moves through a fluid medium, such as air or water. This force is induced due to the pressure difference created around the object. There are various factors that determine the magnitude of the lift force, such as the shape and size of the object, the speed and direction of the flow, and the properties of the fluid medium. However, the most important factor that determines the lift force is the symmetry of the object.

Symmetry and Lift Force:

The lift force is maximum when the object is symmetrical and the axis of symmetry is aligned parallel to the flow direction. This is because the pressure distribution around the object is symmetrical, which results in a net upward force. When the object is not symmetrical, the pressure distribution becomes asymmetric, which results in a net force in a particular direction. This force may be either upwards or downwards, depending on the direction of the flow and the shape of the object.

Shape and Lift Force:

The shape of the object also plays an important role in determining the lift force. If the object is so shaped that the zones of high and low velocity are created, there will be a pressure difference between the upper and bottom side of the object. This pressure difference will result in a net upward force, which is the lift force. This is the principle behind the design of wings of airplanes. The curved shape of the wings creates zones of high and low velocity, which results in a pressure difference and the lift force.

Conclusion:

In conclusion, the lift force is induced in an object due to the pressure difference created around it when it moves through a fluid medium. The symmetry of the object is the most important factor that determines the lift force. When the object is symmetrical and the axis of symmetry is aligned parallel to the flow direction, the lift force is maximum. The shape of the object also plays an important role in determining the lift force. If the object is so shaped that the zones of high and low velocity are created, there will be a pressure difference and a net upward force, which is the lift force.
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Lift force is induced in a object, ifa)object is symmetrical and axis of symmetry is aligned parallel to flow directionb)object axis is inclined to the direction of flowc)the object is so shaped that the zones of high and low velocity resulting in pressure difference between upper and bottom sideof the objectd)none of the aboveCorrect answer is option 'A'. Can you explain this answer?
Question Description
Lift force is induced in a object, ifa)object is symmetrical and axis of symmetry is aligned parallel to flow directionb)object axis is inclined to the direction of flowc)the object is so shaped that the zones of high and low velocity resulting in pressure difference between upper and bottom sideof the objectd)none of the aboveCorrect answer is option 'A'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about Lift force is induced in a object, ifa)object is symmetrical and axis of symmetry is aligned parallel to flow directionb)object axis is inclined to the direction of flowc)the object is so shaped that the zones of high and low velocity resulting in pressure difference between upper and bottom sideof the objectd)none of the aboveCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Lift force is induced in a object, ifa)object is symmetrical and axis of symmetry is aligned parallel to flow directionb)object axis is inclined to the direction of flowc)the object is so shaped that the zones of high and low velocity resulting in pressure difference between upper and bottom sideof the objectd)none of the aboveCorrect answer is option 'A'. Can you explain this answer?.
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