[" For the system shown in the figure,the cylinder "],[" on the left at "L" has a mass of "600kg" and a cross "],[" sectional area of "800cm^(2)" .The piston on the right,"],[" at "S" ,has cross sectional area "25cm^(2)" and "],[" negligible weight.If the apparatus is silled with oil.( "],[=0.75gm/cm^(3)" ) Find the force "F" required to hold "],[" the system in equilibrium."]