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

question 1

Multiple Choice

The diagram shows a U-tube having cross-sectional area A and partially filled with oil of density $\rho$ .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\(\rho\)g
• B)L³\(\rho\)g
• C)A\(\rho\)(L + h)g
• D)A\(\rho\)(L - h)g
• E)none of these