text: 1.) The force over the area of the large piston will be equal to the force over the area of the small piston. (F1/A1 = F2/A2)\n\nSo:\nF1 = 219N\nA1 = 11.2 cm^2\nF2 = x\nA2 = 4.12 cm^2\n\n219 / 11.2 = x / 4.12\nx = 19.5536 * 4.12\nx = 80.56 N\n\nArmed with that, you should be able to do #2.