5- (h.w.): In a certain material under load a plane AB carries a tensile direct stress of 30 MN/m2 and a shear stress of 20 MN/m2 while another plane BC carries a tensile direct stress of 20 MN/m2 and a shear stress. If the planes are inclined to one another at 300 and plane AC at right angles to plane AB carries a direct stress unknown in magnitude and nature, (a) The value or the shear stress on BC. (b) The magnitude and nature of the direct stress on AC (c) The principal stresses find :- 20 300 *20 Thin Cylinders And Shells B 30 20

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
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5- (h.w.): In a certain material under load a plane AB carries a tensile direct stress of
30 MN/m? and a shear stress of 20 MN/m2 while another plane BC carries a tensile
direct stress of 20 MN/m2 and a shear stress. If the planes are inclined to one another at
30° and plane AC at right angles to plane AB carries a direct stress unknown in
magnitude and nature, find :-
(a) The value or the shear stress on BC.
(b) The magnitude and nature of the direct stress on AC
(c) The principal stresses
20
9.
300
20
nd Shells
B
30
20
Transcribed Image Text:5- (h.w.): In a certain material under load a plane AB carries a tensile direct stress of 30 MN/m? and a shear stress of 20 MN/m2 while another plane BC carries a tensile direct stress of 20 MN/m2 and a shear stress. If the planes are inclined to one another at 30° and plane AC at right angles to plane AB carries a direct stress unknown in magnitude and nature, find :- (a) The value or the shear stress on BC. (b) The magnitude and nature of the direct stress on AC (c) The principal stresses 20 9. 300 20 nd Shells B 30 20
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