Twisden, John Francis · London, Longmans, Green, and Co. · leaf 92
hC, and are inclined to the horizon at angles of 40° and 70° respectively (so that the angle between the planes isone of 30), when the sphere weighs120 lbs. the reactions will be re-spectively 225-5 lbs. and 154 3 lbs.;the pressures on the jlane beingequal and opposite to these forces. Ex. 63.—A… … A BODY RESTI^G AGAINST A FIXED PLANE. 77 acted on by three forces, its wciglit acting A-ertically through g, and thereactions r and r, of the planes which act at right angles to c a and c brespectively; now when the rod is in its position of rest, the directions ofthese three forces must pass…
Mechanics, Analytic
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