An elementary treatise on mechanics, embracing the theory of statics and dynamics, and its applications to solids and fluids (1849)
Smith, Augustus William, 1802-1866 · New York, Harper · leaf 136
into E. Thisinstrument possesses great stability. ROBERVAL S BALANCE. 184. This instrument is of greater interest from its paradox-ical appearance than from its use as a machine for weighingbodies. Its discussion affords an interesting application of thedoctrine of couples. It consists of an… … of a T. The weights are suspended from the horizontal armsof the latter pieces. 185. Prop. In RobervaPs balance, equal weights balance at alldistances from the upright stem. Let the letters in theannexed figure indi-cate the same parts asin the former. Let equal and oppo-site forces Pj and P2each…
Mechanics, Analytic
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