Twisden, John Francis · London, Longmans, Green, and Co. · leaf 94
78 THEORETICAL MECHA>ICS. … equals or exceeds a right angle, the rod will not slide in any position; ifA G E is less than a riglit angle, draw a d at right angles to g e, then bad is the inclination of the rod to the^^^* ^- horizon when on the point of slid- ing. We can easily prove this, for ifwe draw b c at right angles to…
Mechanics, Analytic
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