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i was solving a problem based on archimedes principle. but got confused whilr determinig the pressure.

well the situation was that a block is immersed in water. the height of water column above it is .05m. the blocks side is .02 m and its base area is 25cm^2.and the height of water below the block is not given.

the presure on top of the block was simply the application of formula 'pgh' = 500pascal.

but how do i determine the pressure on the lower surface ?

also in general while determinig pressure on lower surface i THINK that we consider the height of water column from the upper edge of block to the bottom of the water container.

if this is true then why?

explain

well the situation was that a block is immersed in water. the height of water column above it is .05m. the blocks side is .02 m and its base area is 25cm^2.and the height of water below the block is not given.

the presure on top of the block was simply the application of formula 'pgh' = 500pascal.

but how do i determine the pressure on the lower surface ?

also in general while determinig pressure on lower surface i THINK that we consider the height of water column from the upper edge of block to the bottom of the water container.

if this is true then why?

explain