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如图所示，乒乓球漂浮在水面上，请画出乒乓球受到的重力G和浮力F浮的示意图．
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如图所示乒乓球漂浮在水面上请画出乒乓球受到的重力G和浮力F浮的示意图．
如图所示乒乓球漂浮在水面上请画出乒乓球受到的重力G和浮力F浮的示意图．
把一乒乓球压入盛有水的烧杯底部如图所示松手后乒乓球上升至水面最后漂浮在水面上乒乓球在上升的过程中它的
是由水的内能转化来的
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如图所示乒乓球从水里上浮直至漂浮在水面上乒乓球在A.位置受到浮力为FA在B.位置时受到的浮力为FB则
如图所示乒乓球漂浮在水面上请画出乒乓球受到的重力G和浮力F浮的示意图．
如图所示乒乓球漂浮在水面上请画出乒乓球受到的重力G和浮力F浮的示意图．
如图14所示乒乓球漂浮在水面上请画出乒乓球受力的示意图
如图所示乒乓球漂浮在水面上请画出乒乓球受到浮力的示意图．
如图所示乒乓球漂浮在水面上请画出乒乓球受到的重力G和浮力F浮的示意图．
如图所示乒乓球漂浮在水面上请画出乒乓球受到的重力G和浮力F浮的示意图．
1如图乒乓球漂浮在水面上请画出乒乓球受到的重力G.和浮力F.浮的示意图.2在图中画出悬挂着的吊灯的受
如图所示乒乓球从水里上浮直至漂浮在水面上.乒乓球在A.位置时受到的浮力为FA在B.位置时受到的浮力为
如图所示乒乓球漂浮在水面上请画出乒乓球受力的示意图.
如图所示乒乓球漂浮在水面上请画出乒乓球受到的重力G.和浮力F.浮的示意图.
如图所示乒乓球漂浮在水面上请画出乒乓球受到的重力G和浮力F浮的示意图．
如图所示乒乓球漂浮在水面上请画出乒乓球受到的重力G和浮力F浮的示意图．
如图所示乒乓球漂浮在水面上请画出乒乓球受到的重力G和浮力F浮的示意图．
如图所示乒乓球漂浮在水面上请画出乒乓球受力的示意图.
如图所示乒乓球漂浮在水面上请画出乒乓球受力的示意图.
如图所示乒乓球漂浮在水面上请画出乒乓球受到的重力G和浮力F浮的示意图．
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