The science of mechanics; a critical and historical account of its development (1902)
Mach, Ernst, 1838-1916, McCormick, Thomas Joseph, 1865- tr · Chicago, The Open court publishing company; · leaf 396
or any othercurve between the same terminal points.Also, a body moving on a curved surfacewithout the action of forces or friction,preserves its velocity, and describes onthe surface a shortest line. The consideration of the motion of aprojectile in a parabola ^^C (Fig. 190)will also show that the… … Fig. igo 370 THE SCIENCE OF MECHANICS. Mathemat- vertical space described by the body, and is therefore ical devel- ^ . opmentot the same for all curves whose altitude above OC is the this case. ,. . , , same. If we divide the curves by a system of horizontalstraight lines into elements which…
Mechanics
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