Notes and exercises in natural philosophy : including statics, hydrostatics, pneumatics, dynamics and hydrodynamics : designed for the use of normal and grammar schools, and the higher classes in common schools (1860)
Sangster, John Herbert, 1831-1904 · Montreal : J. Lovell · leaf 36
work togetherthe sections of the cones of which they are to be frusta are found in thefollowing manner:— -r,- q Let ABbe the dia- ■*■ s- °- meter of the largewheel and B C thatof the smaller. PlaceA B and B C so asto include the pro-posed angle. BisectA B in D and B C inE. Draw perpen-diculars D F,… … THEPULLEY. 100. The Pulley is a circular disc of wood or iron,grooved on the edge and made to turn on its axis by meansof a cord or rope passing over it. 101. The pulley is merely a modification of the leverwith equal arms, and hence no mechanical advantage isgained by using it—the theory of its…
Physics
Internet Archive · Western University Libraries · Public Domain Mark 1.0. Free to use for anything.
