如图所示为一种蓄水箱的放水装置,AOB是以O点为转轴的轻质杠杆,AO呈水平状态,A、O两点间距离为40cm,B、O两点的水平距离为10cm,B、O两点的竖直距离为7cm.A点正下方的Q是一个重为5N、横截面积
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/08 20:55:55
![如图所示为一种蓄水箱的放水装置,AOB是以O点为转轴的轻质杠杆,AO呈水平状态,A、O两点间距离为40cm,B、O两点的水平距离为10cm,B、O两点的竖直距离为7cm.A点正下方的Q是一个重为5N、横截面积](/uploads/image/z/10004127-15-7.jpg?t=%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%E4%B8%BA%E4%B8%80%E7%A7%8D%E8%93%84%E6%B0%B4%E7%AE%B1%E7%9A%84%E6%94%BE%E6%B0%B4%E8%A3%85%E7%BD%AE%2CAOB%E6%98%AF%E4%BB%A5O%E7%82%B9%E4%B8%BA%E8%BD%AC%E8%BD%B4%E7%9A%84%E8%BD%BB%E8%B4%A8%E6%9D%A0%E6%9D%86%2CAO%E5%91%88%E6%B0%B4%E5%B9%B3%E7%8A%B6%E6%80%81%2CA%E3%80%81O%E4%B8%A4%E7%82%B9%E9%97%B4%E8%B7%9D%E7%A6%BB%E4%B8%BA40cm%2CB%E3%80%81O%E4%B8%A4%E7%82%B9%E7%9A%84%E6%B0%B4%E5%B9%B3%E8%B7%9D%E7%A6%BB%E4%B8%BA10cm%2CB%E3%80%81O%E4%B8%A4%E7%82%B9%E7%9A%84%E7%AB%96%E7%9B%B4%E8%B7%9D%E7%A6%BB%E4%B8%BA7cm%EF%BC%8EA%E7%82%B9%E6%AD%A3%E4%B8%8B%E6%96%B9%E7%9A%84Q%E6%98%AF%E4%B8%80%E4%B8%AA%E9%87%8D%E4%B8%BA5N%E3%80%81%E6%A8%AA%E6%88%AA%E9%9D%A2%E7%A7%AF)
xVRYT
ȔҙG)2#y
*K10tJ^R*Y{a,8A
+${G#!v֛][Vf5w~δ493E+z'?VZ%nŵ-1m $U$VE4&
g9[ȱB#oQzx'3҆/#>`}$ѫ3ED/f37?7w-}~+c[?e-NǬCghwU/4\%yjf[w#)Cd
֩͘Y>P&EewjdI584v@UAt!a3j.v1:PIZd@bl,{OERDjX/Ľ -"53S}XaSYYBg I[tlĎXbC<2z=!K 97'r+\ L$ŭ/&P5b