[填空题]
The small piston of a hydraulic lift has a diameter oh(q,:ea p)x; ay)fsz gwqk (3gf 8.0 cm, and its la 4s v5h2emyd6arge piston has a diameter of 40 cm. 26y 4avdmh5 esThe lift raises a load of 15,000 N. (a) Determine the force that must be applied to the small piston $N$ (fill in numerical value only) (b) Determine the pressure applied to the fluid in the lift $\times 10^5 \; Pa$ (fill in numerical value only)
