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id="7btl00x" class="login-item"> <a class="top-login-item">登錄</a> <a class="top-register-item">注冊</a> </li> </ul> </div> </div> </div> <div id="kpr7uwu" 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="9tqdijp" class="m-wrap g-cw cfx"> <div id="c38yg1s" class="w fl"> <div id="9ikjhrh" class="g-mn2"> <ul id="J_question_detail" > <li> <div id="tptrgow" class="question-block"> <div id="4nwci2c" class="q-mc"> <h1 class="q-tit"> 1. <a href="/paper/view-5284841.shtml" class="ques-origin a-pointer" target="_blank"> (2024高一上·湖州期末) </a> 如圖甲所示是一種墻面掛鉤，相鄰掛鉤間的距離<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmi%3Ed%3C%2Fmi%3E%3Cmo%3E%3D%3C%2Fmo%3E%3Cmn%3E1%3C%2Fmn%3E%3Cmn%3E5%3C%2Fmn%3E%3Cmtext%3Ec%3C%2Fmtext%3E%3Cmtext%3Em%3C%2Fmtext%3E%3Cmtext%3E++%EF%BC%8C+%3C%2Fmtext%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">圖乙的掛包寬度<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmi%3El%3C%2Fmi%3E%3Cmo%3E%3D%3C%2Fmo%3E%3Cmn%3E3%3C%2Fmn%3E%3Cmn%3E0%3C%2Fmn%3E%3Cmtext%3Ec%3C%2Fmtext%3E%3Cmtext%3Em%3C%2Fmtext%3E%3Cmtext%3E++%EF%BC%8C+%3C%2Fmtext%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">在掛包質(zhì)量一定、肩帶足夠長、掛包與掛鉤間的摩擦可忽略不計(jì)的條件下，為了使懸掛時(shí)肩帶一端受到掛包的拉力最小，則可將掛包肩帶跨掛在（　?。?p><img width="273" height="147" src="http://tikupic.21cnjy.com/2024/04/10/14/0c/140cd0e14c1d41af06e2316a7b41b814.png" style="max-width:100%;"></p> </h1> <div id="8z9neoe" class="exam-s"> <span id="jxfm68v" class="op-item"><span id="e8xgdnf" class="op-item-nut">A . </span><span id="gkvtz7o" class="op-item-meat">一個(gè)鉤子上</span></span> <span id="et4sqks" class="op-item"><span id="gwp8nd6" class="op-item-nut">B . </span><span id="95grxwp" class="op-item-meat">兩個(gè)鉤子上</span></span> <span id="4d2emwp" class="op-item"><span id="37f2m8k" class="op-item-nut">C . </span><span id="wkdbpjz" class="op-item-meat">三個(gè)鉤子上</span></span> <span id="bezd8tu" class="op-item"><span id="m7jhxgr" class="op-item-nut">D . </span><span id="b2rb8zj" class="op-item-meat">四個(gè)鉤子上</span></span> </div> </div> </div> </li> </ul> <div style="height:20px;background-color: #fff;margin-top:1px"></div>  <div class="hwhodmb" id="J_ConnectQuestionsdBox"> </div> </div> </div> <div id="ywi2hkr" class="g-sd2">  <div style="background:#fff;padding:20px 0;margin-bottom:20px;text-align:center;"> <img src="/question/paper-qrcode?id=56299345" width="140px" height="140px" alt=""> <p 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