A system of natural philosophy, designed for the use of schools and academies (1845)
Moffat, J[ohn] M. [from old catalog] · Philadelphia, E. C. Biddle · leaf 108
ve tosimple machines. There must be in every case an equality of ef-fective action in the power and the resistance in order to produceequilibrium; and consequently the efficient force of the powermust, with the assistance of the machine, exceed that of the weightor resistance, before motion can… … In what manner was the process ofriod of Briots invention? ining performed before the pe- On what principle of motion is the mill governor constructed ?How is the effect of a compound machine to be estimated ?When will motion succeed to a state of rest in any given machine) * V. Sigaud de la Fond…
Physics
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