Well's natural philosophy : for the use of schools, academies and privte students, introducing the latest results of scientific discovery and research ; arranged with special reference to the practical application of physical science to the arts and the experiences of everyday life ; with three hundred and seventy-five engravings (1873)
Wells, David A · New York : Ivison, Blakeman, Taylor and Co. · leaf 54
CENTER OF GRAVITY, 49 What is theLine of Direc-tion? because ■svben a solid body falls, its center ofgravity moves along tbis line until it reacbes tbe ground. Wben bodies are supported upon a basis, their stability depends on the position of their Line of Direction. 96. If the line of direction…
Physics · Science · Technology
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