体积为3×10-4米3的金属块浸没在水中。求:(1)该金属块排开水的

体积为3×10-4米3的金属块浸没在水中。求:(1)该金属块排开水的体积V。(2)该金属块所受到的浮力F

 

答案

(1)V=V=3×10-4米3                                     1分

(2)F=ρgV                                            1分

=1.0×103千克/米3×9.8牛/千克×3×10-4米3           1分

=2.94牛                                             1分

解析:

 

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