$A$ right circular cylinder has a mass $m$,radius $r$,and a height $h$. The cylinder is completely submerged in a fluid of density $\rho$,as shown in the diagram. What is the magnitude of the net force on the cylinder?
- A$r\rho gh + mg$
- B$r \rho gh - mg$
- C$\pi r^2\rho gh + mg$
- D$\pi r^2\rho gh - mg$
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