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Strength of Materials
Stress & Strain
GATE 2012
Medium

The state of stress at a point under plane stress condition is σxx=40 MPa, σyy=100 MPa and τxy=40 MPa. The radius of the Mohr's circle representing the given state of stress in MPa is

  • A40
  • 50
  • C60
  • D100

Explanation

Mohr's circle radius R=√(((σxx−σyy)/2)²+τxy²)=√((−30)²+40²)=√(900+1600)=√2500=50 MPa.

Source: GATE ME 2012 (Booklet Code A) (2012)

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