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 100
THE ELEMENTS OF MACHINERY. 95 Weigh t, andthe length ofthe arms of alever beinggiven, how wafind the equiv-alent power ? What are ex-amples of le-VTS of theaecond class ? … of a lever are given, the power requisite tobalance the weight may be ascertained, bydividing the product of the weight multipliedinto its distance from the fulcrum, by the dis-tance of the power from the fulcrum. 204. Cork, or lemon-squeezera, Fig. 63, are examples ofthe levers of the second…
Physics · Science · Technology
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