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填空题
小丽用重为3.2N的物体A做了如图a所示的实验.该实验验证了猜想____是正确的,可得出:在同种液体中,物体排开液体的体积越大,受到的浮力____.实验中,物体A浸没时受到的浮力为____N,方向____.

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解析:
比较甲、乙、丙三图可知,随着物体浸在液体中的体积的增大,物体排开液体的体积增大,弹簧测力计示数减小,说明物体受到的浮力变大,猜想一是正确的;A物体浸没时的拉力为1N,则A物体受到的浮力为3.2N-1N=2.2N.方向竖直向上.
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