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 110
ed in Fig. 86. Itconsists of a strong triangular ladder, atthe top of which is a fixed pulley, C,over which the rope attached to the ob-ject to be elevated passes, and is carrieddown to the cylindrical axle, T, uponwhich it is wound by means of bars in-serted in holes, or by a crank. Thisladder is… … What is an In-clined Plane ? Illustrate theuse of an In-clined Plane. In Fig. 87, a 6 e repre-sents an inchned plane.230. If wc attempt, forinstance, to raise a cask, or any otherheavy body into a wagon, we may findthat our strength is unequal to lifting it a* Fig. 87.
Physics · Science · Technology
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