题目内容


体积为4×103米3的小球浸没在水中,求小球受到的浮力F浮。


 F浮=ρ液gV排                                          

=ρ液gV物                                          

=1×103千克/米3×9.8牛/千克×4×103米3           

=39.2牛                                                                                     


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