In liquids the atoms move freely about and quickly adjust to new pressures appli

Question

In liquids the atoms move freely about and quickly adjust to new pressures applied, which gives the property that any pressure applied to a liquid is quickly dispersed throughout the liquid. For liquids sitting at rest under the force of gravity, the pressure in the liquid (force per unit area) is determined by the depth and the density.

These properties explain the facts that:

a) at any depth the force in the vertical direction is (less, equal, more) the force in the sideways direction.

b) at one meter depth in fresh water the pressure is (half, same, double) the pressure at two meters depth.

c) at one meter depth in sea water the pressure is (less, same, more) the pressure in fresh water.

d) a column of water __?_m tall will give the same pressure at the bottom as a column of murcury 1 meter tall.

Explanation / Answer

a) In Vertical direction, the force is more, as gravity would be there

b) SAME, Pressure remains same at all points

c) SInce SEA water is more denser,, pressure is more in sea water than in fresh water

d) density1 *height1 = density2*height2

h 1*height 1 = 13.6 * 1m

height 1 = 13.6 m

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