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Question

In the given system, if we change A1 into 2A1 , A2 into A22 and F1 into 10F1, then pressure at B piston changes from P to P0. Calculate the ratio of P and P0.

A
1:5
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B
1:10
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C
1:20
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D
1:10
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Solution

The correct option is A 1:5
Given:
Accoding to the Pascal's law, Pressure at both piston is equal.
P1=P2
F1A1=F2A2=P

If we apply changes in the above equation,
10F12A1=P0
P0=5F1A1
Then the ratio of P and P0.
PP0=F1A15F1A1=1:5

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