A complete and practical solution book for the common school teacher (1899)
Fairchild, J[ohn] T[heodore] [from old catalog] · Crawfis College, Ohio, The author · leaf 197
e. PROBLEM 378. A wheel 8 ft. in diameter is run by means of a belt from a wheel 1ft. in radius; the distance between their centers is 12 ft., and the beltis crossed between them, causing- them to revolve in opposite direc-tions: what is the length of the belt used? Solution. (1) OMandOMare… … FIG. 64. (6) PK=:VPO2—KC (7) KP = Vop2_oK2r=2.18 ft. (8) KK=KP+PK=10.9ft. (9) Hence, MM+KK=21.8 ft. = length of the belt not onthe wheels. MENSURA TION. 183 (10) KfS=(PKxKOf)-f-PO=3.63ft. (11) KM=3.63x 2=7.26 ft. (12) SO=VIW2—KS2=1.68ft. (13) Area of segment KZM=(ZS3-^by twice KM) +l(ZSXKM)…
Arithmetic · Geometry
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