Question: The resultant stress at a point on plane (A) is (+90 mathrm{MPa}) having an obliquity of (15^{circ}). On another plane (B), the resultant stress is

The resultant stress at a point on plane $A$ is $+90 \mathrm{MPa}$ having an obliquity of $15^{\circ}$. On another plane $B$, the resultant stress is $+50 \mathrm{MPa}$ having an obliquity of $35^{\circ}$. Determine

(a) the angle between the planes $A$ and $B$, and

(b) the maximum obliquity the resultant stress can have with any plane at the point.

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SOLUTION a The angle between planes A and B can be determined using the following formula cos coscos ... View full answer

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