At a point on the free surface of a machine part the

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At a point on the free surface of a machine part, the strains are Ex=+1200 mu, Ey=+300mu, Yxy=+700 mu. Use Mohr's circle to determine:

a. What are the in plane principle strains and show on a sketch their orientation to the x-y axis.

b. What is the out of plane strain?

c. What is the maxium shearing strain?

d. If a strain gauge was also mounted as shown in the figure below, what reading would be measured?

e. What are the principal stresses? Assume that E= 200 GPA and v=0.3.

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At a point on the free surface of a machine part the : at a point on the free surface of a machine part the strains are ex1200 mu ey300mu yxy700 mu. use mohrs circle to

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