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The couple moment prevents the beam from which of the following process?
  • a)
    Relative translation
  • b)
    Relative rotation
  • c)
    Relative transformation
  • d)
    Relative collapse
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
The couple moment prevents the beam from which of the following proces...
The couple moments are the moments which are the ones which prevents the beam from relative rotation. This means that the rotation generated will be held strongly by the help of the opposite moments generated. The main motto is to make the beam stable and don’t allow the relative rotation to occur.
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Most Upvoted Answer
The couple moment prevents the beam from which of the following proces...
Explanation:

The couple moment refers to a pair of equal and opposite forces acting at different points along a body. When a couple moment is applied to a beam, it creates a rotational effect rather than a translational effect. This means that the beam will tend to rotate rather than undergo any linear motion.

Relative Translation:
- Relative translation refers to the movement of a body from one position to another without any rotation.
- When a couple moment is applied to a beam, it does not affect the relative translation of the beam.
- Therefore, the couple moment does not prevent relative translation.

Relative Rotation:
- Relative rotation refers to the rotational motion of a body about a fixed axis.
- When a couple moment is applied to a beam, it creates a rotational effect.
- The couple moment generates a turning force that tends to rotate the beam about a fixed axis.
- This rotation is due to the moment of the forces comprising the couple acting on the beam.
- Therefore, the couple moment prevents relative rotation.

Relative Transformation:
- Relative transformation refers to the process of changing one form or state to another.
- When a couple moment is applied to a beam, it does not affect the relative transformation of the beam.
- The couple moment only influences the rotational motion of the beam.
- Therefore, the couple moment does not prevent relative transformation.

Relative Collapse:
- Relative collapse refers to the failure or collapse of a structure due to external forces.
- The couple moment applied to a beam does not directly cause the beam to collapse.
- However, if the applied couple moment exceeds the beam's capacity, it can lead to failure and collapse.
- Therefore, the couple moment does not prevent relative collapse, but it can contribute to it if it exceeds the beam's limits.

Conclusion:
The couple moment prevents the beam from undergoing relative rotation. It generates a turning force that tends to rotate the beam about a fixed axis. However, the couple moment does not prevent relative translation, relative transformation, or relative collapse.
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