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The axis about which moment of area is taken is known as ____________
  • a)
    Axis of area
  • b)
    Axis of moment
  • c)
    Axis of reference
  • d)
    Axis of rotation
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
The axis about which moment of area is taken is known as ____________a...
The axis of reference is the axis about which moment of area is taken. Most of the times it is either the standard x or y axis or the centeroidal axis.
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Community Answer
The axis about which moment of area is taken is known as ____________a...
Understanding the Moment of Area
The moment of area, also known as the area moment of inertia, is a crucial concept in mechanical engineering, particularly in structural analysis and design. It measures how the area of a shape is distributed relative to a specific axis.
Axis of Reference
The term "axis of reference" pertains to the axis about which this moment of area is calculated. It serves as the baseline for evaluating the "resistance" of a shape to bending or flexural stress.
Importance of the Axis of Reference
- Bending Resistance: The moment of area directly influences how a beam or structural member will respond to applied loads.
- Design Optimization: Engineers use the axis of reference to optimize the cross-sectional shape of beams for maximum strength and minimum weight.
Why Option C is Correct
- Definition Clarity: The axis of reference provides a defined point around which the distribution of area is analyzed.
- Conceptual Foundation: Understanding the moment of area in relation to this axis is fundamental for calculations involving bending moments and shear stresses.
Conclusion
In summary, the axis about which the moment of area is computed is indeed referred to as the axis of reference. This term highlights its role as the critical point of evaluation for calculating how structural elements will perform under various loads. Understanding this concept is essential for any mechanical engineer engaged in design and analysis tasks.
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