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 72
We have an illustration of this same principle, when we attempt to drive anail into a board having no support behind it, or not sufficiently thick to oCFerthe necessary resistance to the moving force of the hammer, as is repre-sented in Fig. 35. The blows of the hammer will cause the board to… … 68 WELLSS NATURAL PHILOSOrHY. or metal, against which the blows of the hammer will be directed- liyadopting this plan, however, no increased resistance is opposed to the blowsof the hammer, the momentum, or moving force of which is equally impartediu both cases ; but in the first case, the momentum…
Physics · Science · Technology
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