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An elementary treatise on mechanics for the use of the junior classes at the university ... With a collection of examples (1863)

Parkinson, Stephen, 1823-1889 · Cambridge [Eng.] Macmillan · leaf 107

An illustration from An elementary treatise on mechanics for the use of the junior classes at the university ... With a collection of examples, 1863, leaf 107
base which is nearest to E. Ohs, By the base here is meantthe extreme polygon formed by joining all the points of contact of the base^or the areaenclosed by a string drawn tightly about the base. Cor. 1. In a similar manner it may be shewn that if abody be placed on an inclined plane and it be… … Cor. 2. In figure (1) if an effort were made to make thebody turn about some point A in the perimeter of its base,the moment about A of the force employed must be at leastequal to the moment of the weight of the body about A;which moment is = W.AE. This moment then measuresthe effort necessary to…

Mechanics

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