Natural philosophy. including statics, hydrostatics, pneumatics, dynamics, hydrodynamics, the general theory of undulations, the science of sound, the mechanical theory of music, etc. : designed for the use of normal and grammar schools, and the higher classes in common schools (1867)
Sangster, John Herbert, 1831-1904 · Montreal : Printed and published by John Lovell · leaf 29
r-ence of the axle. 83. The wheel and axle is merelya modification of the lever withunequal arms; the radius of thewheel corresponding to the arm ofthe power, and the radius of theaxle to the arm of the weight. 84. The wheel and axle is sometimes called the con-tiiiual or jyerjjetaal lever, because… … 86, For the wheel and axle—let P = the power, Wweight, V = radius of the axle, R =: radius of the wheel. the Hence P =- Then P R W :: r : R. r PxRW audi? = Trx r Example 27.—In a wheel and axle the radius of the axle is 7inches, the radius of the wheel is 35 inches. What power willbalance a weight…
Physics
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