水平放置的平底柱形容器A重3N，底面积是200cm2，内装有一些水，不吸水的正方体木块B重5N，边长为10cm，被一体积可以忽略的细线拉住固定在容器底部，如图所示，拉直的细线长为L=5cm，受到拉力为

题干

水平放置的平底柱形容器A重3N，底面积是200cm²，内装有一些水，不吸水的正方体木块B重5N，边长为10cm，被一体积可以忽略的细线拉住固定在容器底部，如图所示，拉直的细线长为L=5cm，受到拉力为1N．（g取10N/kg，ρ_水=1.0×10³kg/m³）求：

上一题下一题 0.0难度选择题更新时间:2019-08-30 04:03:54

Volunteers Wanted
Organization	What volunteers call do	Time
Xinghua Primary	Sing songs to the students	On____
School	Help students____after school	On Mondays and Wednesdays
Sunshine Middle	Help read the newspaper or ____for the old people	On Sundays
School	Give out food and drink	On____
If you are interested in any of the jobs，you can call____．