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In a simply supported beam carrying a uniformly distributed load ‘w’ per unit length, the point of contraflexure
  • a)
    Lies in the centre of the beam
  • b)
    Lies at the ends of the beam
  • c)
    Depends upon the length of the beam
  • d)
    Does not exist
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
In a simply supported beam carrying a uniformly distributed load &lsqu...
Contra-flexure = contra (opposite) + flexure (bending)
In a bending beam, a point is known as a point of contra flexure if it is a location at which no bending occurs. In a bending moment diagram, it is the point at which the bending moment curve intersects with the zero line. In other words where the bending moment changes its sign from negative to positive or vice versa. It occurs in the overhanging beam.
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Most Upvoted Answer
In a simply supported beam carrying a uniformly distributed load &lsqu...
The deflection of a simply supported beam carrying a uniformly distributed load can be calculated using the following equation:

δ = (wL^4)/(8EI)

Where:
δ = deflection of the beam
w = uniformly distributed load
L = length of the beam
E = modulus of elasticity of the beam material
I = moment of inertia of the beam cross-section

This equation assumes that the beam is perfectly straight and that the load is evenly distributed along the length of the beam. If the load is not evenly distributed, or if the beam has other types of supports or loads, a more complex equation may be required.
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In a simply supported beam carrying a uniformly distributed load ‘w’ per unit length, the point of contraflexurea)Lies in the centre of the beamb)Lies at the ends of the beamc)Depends upon the length of the beamd)Does not existCorrect answer is option 'D'. Can you explain this answer?
Question Description
In a simply supported beam carrying a uniformly distributed load ‘w’ per unit length, the point of contraflexurea)Lies in the centre of the beamb)Lies at the ends of the beamc)Depends upon the length of the beamd)Does not existCorrect answer is option 'D'. Can you explain this answer? for Defence 2024 is part of Defence preparation. The Question and answers have been prepared according to the Defence exam syllabus. Information about In a simply supported beam carrying a uniformly distributed load ‘w’ per unit length, the point of contraflexurea)Lies in the centre of the beamb)Lies at the ends of the beamc)Depends upon the length of the beamd)Does not existCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Defence 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In a simply supported beam carrying a uniformly distributed load ‘w’ per unit length, the point of contraflexurea)Lies in the centre of the beamb)Lies at the ends of the beamc)Depends upon the length of the beamd)Does not existCorrect answer is option 'D'. Can you explain this answer?.
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