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 ... oblique plane pG; draw pH, NH, the former perpendicular to the horizon, the latter to the plane pG; and if the force of the weight p tending downwards is represented by the line pH, it may be resolved into the forces pN, HN. If there was any plane...  A Demonstration of Some of the Principal Sections of Sir Isaac Newton's ... - الصفحة 34 بواسطة John Clarke - 1730 - عدد الصفحات: 313 عرض كامل -
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