Physics, asked by NairaRajpal, 1 year ago

please answer this question.

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Answered by vini117
2
1). when an object is placed on any object then it applies force = mg to the body in downward direction coz of gravity so here,
the pressure on piston A= force applied/area
P = 4×10/8
so P = 5 n/cm^2 or 0.5kgf/cm^2
2). same pressure is also experienced by second piston cause of Pascals Law which suvgessts pressure spreads uniformly all over the liquid surface.
3). upthrust force on piston B,
F= pressure on piston B × it's area
hence, F= 0.5×320
F= 160n or 160 kgf

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