A natural philosophy : embracing the most recent discoveries in the various branches of physics, and exhibiting the application of scientific principles in everyday life .. (1899)
Quackenbos, G. P. (George Payn), 1826-1881 · New York, Cincinnati [etc.], American book company · leaf 80
This is apparent from Figs. 66 and r>7 The unfinished tower, though leaning far over, maintains its uprightjFig> 66. position, the line of direc-tion fallingwithin thebase. Whenmade higherby the addi-tion of seve-ral stories, as shown in Fig. 67, it will fall, because the centre of gravity…
Physics
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