. The Ontario high school physics. lie gauge is shown bypressing on the membrane. Pressure transmitted to thewater by the air in tlie tube is measured by the difference inlevel of the water in the branches of the U:tube. Now place ^ in a jar of water (which should be at thetemperature of the room), and gradually push it downward(Fig. 112). The changes in the level of the water in thebranches of the U-shaped tube indicate an increase in pressurewith the increase in depth. Careful experiments have shownthat this pressure increases from the surface downward indirect proportion to tlte depth. 102.
. The Ontario high school physics. lie gauge is shown bypressing on the membrane. Pressure transmitted to thewater by the air in tlie tube is measured by the difference inlevel of the water in the branches of the U:tube. Now place ^ in a jar of water (which should be at thetemperature of the room), and gradually push it downward(Fig. 112). The changes in the level of the water in thebranches of the U-shaped tube indicate an increase in pressurewith the increase in depth. Careful experiments have shownthat this pressure increases from the surface downward indirect proportion to tlte depth. 102. Pressure Equal in -all Directions at the same the thistle-tube A is made to face in different directions while the centre of the membiane iskept at the same depth, no change inthe difference in level of the water inthe U-shaped tube is observed. Evi-dently the magnitude of the force atany point within the fluid mass isindependent of the direction of pres-sure. The tip ward, dmvnward, andlateral pressures are equal at the. Fig. 112.—Investigation of pres-sure within the mass of a liquidby pressure gauge. same depth. 88 PRESSURE OF LIQUIDS
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishe, booksubjectphysics
