Mechanics of Materials: Normal Stress in Wooden Beam and Compression Load on Rectangular Section

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Questions and Answers

What is being asked to find in the given text?

  • Maximum normal stress locations and values
  • Normal stress at points A and B (correct)
  • Mid span deflection for the beam
  • Neutral axis location and stress at each corner

In the context of the given text, where is the compressive load applied?

  • At the centroid of the rectangular section
  • 1 in. to the right and 2 in. above the centroid (correct)
  • 5 in. to the right and 3 in. above the centroid
  • 1 in. to the left and 2 in. below the centroid

Which method is mentioned in the text for determining normal stress at each corner and the location of the neutral axis?

  • Moment-curvature method
  • Flexural analysis method
  • Elastic strain method
  • Area moment method (correct)

What is the given value of E that is used to calculate mid span deflection for the beam?

<p>$80$ GPa (D)</p> Signup and view all the answers

Where should one look for points of maximum normal stress if they are not at points A and B?

<p>At the corners of the beam (D)</p> Signup and view all the answers

What type of stress is being asked to determine at points A and B in the wooden beam?

<p>Normal stress (B)</p> Signup and view all the answers

Where is the compressive load applied in the wooden beam?

<p>1 in. to the right and 2 in. above the centroid (D)</p> Signup and view all the answers

What is the purpose of determining the location of the neutral axis?

<p>To calculate bending stress (C)</p> Signup and view all the answers

If points A and B are not the locations of maximum normal stress, where are these points usually located on a beam?

<p>At a distance from the neutral axis (C)</p> Signup and view all the answers

How does changing the dimensions of a cross-section affect the normal stress in a beam?

<p>Increases normal stress (B)</p> Signup and view all the answers

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