A Cylinder,semicircular in Cross-Section,is 10 M Long and 5

question 12

Multiple Choice

A cylinder,semicircular in cross-section,is 10 m long and 5.0 m in radius.It is completely submerged,with its flat bottom side horizontal and 8.0 m below the water surface,as shown in the figure.What is the magnitude of the net force on the curved upper surface of the half-cylinder? Neglect atmospheric pressure.

• A)2.0 × 10⁶ N
• B)2.5 × 10⁶ N
• C)3.0 × 10⁶ N
• D)3.5 × 10⁶ N
• E)4.0 × 10⁶ N

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