Johnson's natural philosophy and key to philosophical charts : illustrated with 500 cuts; being reduced photographic copies of all the diagrams contained in the author's philosophical series of indestructible school charts ; for the use of schools and families (1878)
pended by three cords, all being parts of the same cord, the W = P X number of cords ; or, 18 = 0x3; andP = W -^ number of cords ; or, 6 = 18 ^ 3 ; and the number of cords = W -^ P; or 3 = 18 H- 6 ; andP : W = velocity of W: velocity of P; or 6 : IS = 3 : 1. 81. Figure 39.—A system of pulleys with…
Physics · Astronomy
Internet Archive · University of Connecticut Library · Public Domain Mark 1.0. Free to use for anything.
