When an object is submerged in a fluid at rest, then fluid exerts a force on its surface. This f...

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When an object is submerged in a fluid at rest, then fluid exerts a force on its surface. This force is always
(a) normal to the objects surface
(b) parallel to the objects surface
(c) along \( 45^{\circ} \) to the objects surface
(d) None of the above
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