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题:如图1所示,底面积为 S_1=20厘米~2的园柱形容器在其底部放一截面积为 S_2=5厘米~2的平底薄试管(试管质量不计),试管内装有100克的金属小颗粒.
Question: As shown in Fig. 1, a cylindrical container with a bottom area of S_1 = 20 cm to 2 is placed on the bottom of a cylindrical thin flat tube with an area of S 2 = 5 cm to 2 (tube quality is not counted). Gram metal particles.