往两个气球之间的空隙吹气,为什么这两个气球会靠近而不是分开?如题
往两个气球之间的空隙吹气,为什么这两个气球会靠近而不是分开?如题
物理人气：614 ℃时间：2020-04-04 10:16:44
优质解答
吹气使中间气流速度加快,压强减小,与大气压会形成气压差,会产生一个力促使两个气球相互靠近
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