A) \[h\rho g\]
B) \[l\rho g\]
C) \[h\rho g-l\rho a\]
D) \[h\rho g+l\rho a\]
Correct Answer: D
Solution :
[d] The points A and C are in same horizontal level Hence \[{{P}_{C}}-{{P}_{A}}=\rho al\] (Refer to figure in question to identify A,B,C) Now, \[{{P}_{B}}-{{P}_{C}}=\rho gh\] \[\Rightarrow {{P}_{B}}=({{P}_{1}}+\rho al)=\rho gh\Rightarrow {{P}_{B}}-{{P}_{A}}=h\rho g+l\rho a\]
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