The Diagram Shows a U-Tube Having Cross-Sectional Area a and Partially

question 74

Multiple Choice

The diagram shows a U-tube having cross-sectional area A and partially filled with oil of density .A solid cylinder, which fits the tube tightly but can slide without friction, is placed in the right arm.The system reaches equilibrium.The weight of the cylinder is:

• A)AL g
• B)L³ g
• C)A (L + h)g
• D)A (L - h)g
• E)none of these

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