题目

一容器底面积为2´10-2米2，装满酒精后测得深度为0.5米。求：（1）容器底部受到酒精的压强p。（酒精的密度为0.8×103千克/米3）（2）容器底部受到酒精的压力F。  答案：p＝ρhg                                               1分 ＝0.8×103千克/米3×0.5米×9.8牛/千克                1分 ＝3.92×103帕                                         1分F＝ps                                                  1分＝3.92×103帕×2×10－2米2                                          ＝78.4牛         解析:略 

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