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)
short arm X W. . 2 X ^^ ^ p = long arm. or ^— = b. These rules apply to each of the other simple levers. 60 MATTER, FORCE, MOTION, AND MECHANICS. 67. Figure 25.—Lever of the second class.—In this leverthe weight is between the fulcrum and power, which affords greater Fig. 25. … leverage with a lever of the same length ; as it will be seen that all theten spaces, instead of eight, come between the power and fulcrum,Avhich gives the power a fifth greater advantage over the weight thanin the former case; or 6 X 10 = 30 X 3 ; thus making the weight 30instead of 24. The dotted…
Physics · Astronomy
Internet Archive · University of Connecticut Library · Public Domain Mark 1.0. Free to use for anything.
