8.13 (C). At a point in a material a resultant stress of value 14 MN/m² is acting in a direction making angles of 43°, 75° and 50°53' with the coordinate axes X, Y and Z. (a) Find the normal and shear stresses on an oblique plane whose normal makes angles of 67° 13', 30° and 71°34', respectively, with the same coordinate axes.

Materials Science And Engineering Properties
1st Edition
ISBN:9781111988609
Author:Charles Gilmore
Publisher:Charles Gilmore
Chapter9: Time, Temperature, And Mechanical Properties
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8.13 (C). At a point in a material a resultant stress of value 14 MN/m2 is acting in a direction making angles
of 43°, 75° and 50°53' with the coordinate axes X, Y and Z.
(a) Find the normal and shear stresses on an oblique plane whose normal makes angles of 67° 13', 30° and 71°34',
respectively, with the same coordinate axes.
(b) If oxy = 1.5 MN/m², ơy = -0.2 MN/m² and oz = 3.7 MN/m² determine or, Oyy and oz.
%3D
Transcribed Image Text:8.13 (C). At a point in a material a resultant stress of value 14 MN/m2 is acting in a direction making angles of 43°, 75° and 50°53' with the coordinate axes X, Y and Z. (a) Find the normal and shear stresses on an oblique plane whose normal makes angles of 67° 13', 30° and 71°34', respectively, with the same coordinate axes. (b) If oxy = 1.5 MN/m², ơy = -0.2 MN/m² and oz = 3.7 MN/m² determine or, Oyy and oz. %3D
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