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</ul> </div> </div> </div> <div id="pghfhzd" 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:;">多選題</a> </div> <div id="uevol9i" class="m-wrap g-cw cfx"> <div id="hvgvo38" class="w fl"> <div id="xsgw9sz" class="g-mn2"> <ul id="J_question_detail" > <li> <div id="uppqhui" class="question-block"> <div id="gbnma9w" class="q-mc"> <h1 class="q-tit"> 1. <a href="/paper/view-5244507.shtml" class="ques-origin a-pointer" target="_blank"> (2023高一上·成都月考) </a> 如圖所示，質(zhì)量為<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmsub%3E%3Cmrow%3E%3Cmi%3Em%3C%2Fmi%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E2%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmsub%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">的物體2放在正沿平直軌道向右行駛的車廂底板上，并用豎直細繩通過光滑定滑輪連接質(zhì)量為<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmsub%3E%3Cmrow%3E%3Cmi%3Em%3C%2Fmi%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E1%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmsub%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">的物體1，跟物體1相連接的繩與豎直方向成<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmtext%3E%CE%B8%3C%2Fmtext%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">角不變，下列說法中不正確的是（　?。?p><img width="240" height="145" src="http://tikupic.21cnjy.com/2024/01/04/cd/08/cd0870a33c7c52551351e401dca59976_288x176.png" style="max-width:100%;"></p> </h1> <div id="nowvkn4" class="exam-s"> <span id="ayqpq9i" class="op-item"><span id="fjbpvi4" class="op-item-nut">A . </span><span id="zqjplii" class="op-item-meat">車廂的加速度大小為<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%3Eg%3C%2Fmi%3E%3Cmn%3Et%3C%2Fmn%3E%3Cmn%3Ea%3C%2Fmn%3E%3Cmn%3En%3C%2Fmn%3E%3Cmtext%3E%CE%B8%3C%2Fmtext%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;"></span></span> <span id="b9kmunr" class="op-item"><span id="ght4v9t" class="op-item-nut">B . </span><span id="4jloe8g" class="op-item-meat">繩對物體1的拉力為<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmsub%3E%3Cmrow%3E%3Cmi%3Em%3C%2Fmi%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E1%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmsub%3E%3Cmi%3Eg%3C%2Fmi%3E%3Cmn%3Ec%3C%2Fmn%3E%3Cmn%3Eo%3C%2Fmn%3E%3Cmn%3Es%3C%2Fmn%3E%3Cmtext%3E%CE%B8%3C%2Fmtext%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;"></span></span> <span id="orqmlqr" class="op-item"><span id="n4rnccj" class="op-item-nut">C . </span><span id="4loklnr" class="op-item-meat">車廂底板對物體2的支持力為<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmrow%3E%3Cmo%3E%28%3C%2Fmo%3E%3Cmrow%3E%3Cmsub%3E%3Cmrow%3E%3Cmi%3Em%3C%2Fmi%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E2%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmsub%3E%3Cmo%3E%E2%88%92%3C%2Fmo%3E%3Cmsub%3E%3Cmrow%3E%3Cmi%3Em%3C%2Fmi%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E1%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmsub%3E%3C%2Fmrow%3E%3Cmo%3E%29%3C%2Fmo%3E%3C%2Fmrow%3E%3Cmi%3Eg%3C%2Fmi%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;"></span></span> <span id="acim9ot" class="op-item"><span id="mh4ptjr" class="op-item-nut">D . </span><span id="r4xvech" class="op-item-meat">物體2受車廂底板的摩擦力為0</span></span> </div> </div> </div> </li> </ul> <div style="height:20px;background-color: #fff;margin-top:1px"></div>  <div class="4czyqor" id="J_ConnectQuestionsdBox"> </div> </div> </div> <div id="r4yml9a" class="g-sd2">  <div 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