Which of the following does not affect the pressure beneath the surface of a liquid?
a)area of the liquid surface b)strength of the gravitational field
c)density of the liquid
d)depth of the liquid
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Answer:
C---> DENSITY OF THE LIQUID
Explanation:
Pwater = ⍴gh It is clear from the above formula that water pressure only depends on density of water, gravitational acceleration and height of water column.
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D) Depth of the liquid does not affect the pressure beneath the surface of a liquid.
Which is affect pressure the surface of a liquid :
- The above formula shows that water pressure is solely determined by the density of water, gravitational acceleration, and the height of the water column.
- So pressure usually defined as a force multiplied by the area of the object. By definition, it is independent of area since it has been partitioned.
- The weight of all the water above pressing down on the water below causes water pressure. There is more water above you as you move deeper into a body of water, thus there is more weight pulling down. This is why water pressure rises as you go deeper.
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