The area of one end of aU-tube is 7m square and that of other end is 3.5m square.When a force was applied on the liquid at the first end,the force experienced at the other end was 800N.What was the force applied on the liquid at the first end?
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Explanation:
pressure is constant all over so F1A2=F2A1
800x7=F2x3.5
F2=400N
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