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class="crumbs g-cw"> <i class="iconw-fixed"></i> <span>當(dāng)前位置：</span>   <a href="/question?tree_type=category&xd=3&chid=6" class="pointer">高中物理</a> <span>/</span> <a href="javascript:;">單選題</a> </div> <div id="zwz2bfn" class="m-wrap g-cw cfx"> <div id="7tt2z5p" class="w fl"> <div id="okmctl0" class="g-mn2"> <ul id="J_question_detail" > <li> <div id="r9fci3w" class="question-block"> <div id="vddtoyu" class="q-mc"> <h1 class="q-tit"> 1. <a href="/paper/view-327227.shtml" class="ques-origin a-pointer" target="_blank"> (2017高一下·福建期末) </a> 如圖所示，重物懸掛在細(xì)線中央，處于靜止?fàn)顟B(tài)時(shí)兩段細(xì)線間的夾角為θ．細(xì)線所受拉力較小時(shí)的夾角θ是（　?。?p><img width="111" height="118" src="http://tikupic.21cnjy.com/66/7b/667bcc9b26afa84354dc044ca1c8ce20.png" style="max-width:100%;"></p> </h1> <div id="thyyudm" class="exam-s"> <span id="t1kd2ut" class="op-item"><span id="qfpgmld" class="op-item-nut">A . </span><span id="5cgp2nw" class="op-item-meat">120°</span></span> <span id="yw63ylb" class="op-item"><span id="r394jbk" class="op-item-nut">B . </span><span id="wdoujka" class="op-item-meat">90°</span></span> <span id="cqibyqi" class="op-item"><span id="a81xlvw" class="op-item-nut">C . </span><span id="jz9jzyq" class="op-item-meat">60°</span></span> <span id="aoi5cmw" class="op-item"><span id="k955klf" class="op-item-nut">D . </span><span id="nbuwab8" class="op-item-meat">30°</span></span> </div> </div> </div> </li> </ul> <div style="height:20px;background-color: #fff;margin-top:1px"></div>  <div class="394184c" id="J_ConnectQuestionsdBox"> </div> </div> </div> <div id="jw7vp37" class="g-sd2">  <div style="background:#fff;padding:20px 0;margin-bottom:20px;text-align:center;"> <img src="/question/paper-qrcode?id=5289021" width="140px" height="140px" alt=""> <p style="text-align:center;margin-top: 10px">微信掃碼預(yù)覽、分享更方便</p> </div> <div id="swxljap" class="analyize-extend JV_question__papers"> <h3 class="extend-mt">使用過本題的試卷</h3> <ul class="extend-mc"> <li> <a href="/paper/view-450780.shtml" target="_blank" title="備考2018年高考物理一輪基礎(chǔ)復(fù)習(xí)：專題6 共點(diǎn)力的合成與分解" class="ex-tit"> <b></b><span>備考2018年高考物理一輪基礎(chǔ)復(fù)習(xí)：專題6 共點(diǎn)力的合成與分解</span> </a> </li> <li> <a href="/paper/view-327227.shtml" target="_blank" title="福建師大二附中美術(shù)班2016-2017學(xué)年高一下學(xué)期物理期末考試試卷" class="ex-tit"> <b></b><span>福建師大二附中美術(shù)班2016-2017學(xué)年高一下學(xué)期物理期末考試試卷</span> </a> </li> </ul> </div>  <div id="mhri9fw" class="JV_question__subject"> <ul class="subjects-recomm"> <li> <a href="/merge?id=394" target="_blank"> <img src="https://tikupic.21cnjy.com/2024/11/13/76/a7/76a76e6216d40a4b182e08db669f4e9c.jpg"> </a> </li> <li> <a href="/merge?id=390" target="_blank"> <img src="https://tikupic.21cnjy.com/2024/09/29/ed/45/ed453a7e6f57e01cc4f6f1bd955a6a1c.jpg"> </a> </li> <li> <a href="/merge?id=388" target="_blank"> <img src="https://tikupic.21cnjy.com/2024/09/24/4a/da/4ada51dc83cb91069cbe14038588a3c6.jpg"> </a> </li> </ul> </div> </div> </div> <div id="6hszegp" class="inner-footer"> <div 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