SamMed
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Report Thread starter 3 years ago
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Hi, I am revising forces. In the revision guide it says: "As the depth if the liquid increases, the number of particles above the point increases. The weight of these particles adds to the pressure felt at that point, so liquid pressure increases with depth." If this is true, why does increasing the weight, which is a downward force, cause the bottom of an object to feel an upwards force which is greater than the downwards force causing it to float? Is it because there is a greater density of particles under the object due the the weight of the above liquid compacting it? And how does this work when an object is at the bottom of a liquid where there are few particles under it, how can this result in a high pressure?
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