(A) The 1.000 kg green cylinder in Figure 6-2 has a diameter of 2.60 cm. What pressure, expressed in Torr, does this cylinder exert on the surface beneath it?

(B) We want to increase the pressure exerted by the 1.000 kg red cylinder in Example 6-3 to 100.0 mbar by placing a weight on top of it. What must be the mass of this weight? Must the added weight have the same cross-sectional area as the cylinder? Explain.

Figure 6-2