Find the force (in N) on the top of a submerged object if its surface is 4.2 m² and the pressure acting on it is 6.6 * 10⁶ Pa. Neglect the effect of the atmosphere above the liquid. A) 6,600,000 N B) 27,720,000 N C) 4,200,000 N D) 166.32 N E) 66,000,000 N

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Quizplus · Accepted Answer

The force on the top of a submerged object is equal to the pressure multiplied by the surface area. Thus, F = P × A = (6.6 × 10^4 Pa) × (4.2 m^2) = 2.772 × 10^5 N/m^2 × 4.2 m^2 = 1.1664 × 10^6 N ≈ 27,720,000 N (to two significant figures). Therefore, the answer is B.

Find the Force (In N) on the Top of a Submerged