The total pressure on a plane surface inclined at an angle 9 with the – McqOptions

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1.	The total pressure on a plane surface inclined at an angle 9 with the horizontal is equal to (where p is pressure intensity at centroid of area and A is area of plane surface.)
A.	PA
B.	pA sin 9
C.	pA cos 9
D.	pA tan 9
Answer» B. pA sin 9

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