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 87
3rd. The pressure against the lowest third.41h. The pressure against the lowest sixth? ,/lns. 117000 lbs. whole gate.87750 lbs. lower half.65000 lbs. lowest third.35750 lbs. lowest sixth 84 HYDROSTATICS. [Abt8. 182. 18$. 182. If water be confined in a vessel and a pressure toany amount be exerted… … Note.—In tlie accompanying figuresuppose the piston P has an area of1 square inch, and the pistonpanareaof 100 square inches, then if 1 lb. pres-sure be apphed to P as weight of 100lb. must be applied to jj in order tomaintain equilibrium. It is this pro-perty of equal and instant transmis-sion of…
Physics
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