浮力计算题(浮力计算题典型例题)

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压强浮力计算题训练题（压轴题）.docx-原创力文档(function(doc,win){vardocEl=doc.documentElement,resizeEvt="orientationchange"inwindow?"orientationchange":"resize",recalc=function(){varclientWidth=docEl.clientWidth;if(!clientWidth){return}if(clientWidth>=750){docEl.style.fontSize="100px"}else{docEl.style.fontSize=100*(clientWidth/750)+"px"}};if(!doc.addEventListener){return}win.addEventListener(resizeEvt,recalc,false);doc.addEventListener("DOMContentLoaded",recalc,false)})(document,window);document.domain='book118.com';原创力文档-3亿文档供您搜行业大牛来帮你-搜商户压强浮力计算题训练题（压轴题）.docx2022-03-26发布于湖北|968.8KB|17页hbxyXL2022该用户很懒，什么也没介绍+关注申明敬告：本站所有内容均由合作方或网友上传，本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺！文档内容仅供研究参考，付费前请自行鉴别。如您付费，意味着您自己完全接受本站规则且自行承担所有风险，本站不退款、不进行额外附加服务；如果您已付费下载过本站文档，您可以点击这里二次下载文档介绍2022中考浮力提高训练题1.如图甲所示，是一圆柱形容器，放在水平桌面上，内装有25cm深的液体，该液体对容器底部产生的压强为2000Pa（g取10N/kg）。求：（1）液体的密度；（2）若将边长为10cm的正方体木块放入圆柱形容器中，如图乙所示，木块静止时，有1/4的体积露出液面，此时木块受到的浮力大小；（3）要使木块浸没至少需要施加多大向下的压力。如图甲所示，拉力F通过滑轮组，将正方体金属块从水中匀速拉出至水面上方一定高度处。图乙是拉力F随时间t变化的关系图象。不计动滑轮的重力、摩擦及水和空气对金属块的阻力，g=10N/kg，求：（1）金属块完全浸没在水中时受到的浮力大小；（2）金属块的密度；（3）如果直接将金属块平放在水平地面上，它对地面的压强大小。在物理实验操作考核中，水平桌面上放置底面积为100cm2的圆柱形容器（不计容器壁厚度），内有12cm的水（如图甲），某考生用弹簧测力计悬挂一金属圆柱体，从液面开始缓慢浸入水中，拉力F与圆柱体下表面到水面距离h的变化关系如图乙所示，当圆柱体下表面距液面为10cm时，系圆柱体的细线恰好松开，圆柱体沉入容器底部（水未溢出）。如图丙所示（g取10N/kg）求：（1）圆柱体浸没在水中时所受到的浮力；（2）圆柱体的体积；（3）圆柱体沉入底部时，水对容器底部的压强。4.如图甲所示，在容器底部固定一轻质弹簧，弹簧上端连有一边长为0.1m的正方体物块A，容器中水的深度为40cm时，物块A刚好完全浸没在水中。容器侧面的底部有一个由阀门B控制的出水口，打开阀门B，使水缓慢流出，当物块A有2/5的体积露出水面时，弹簧恰好处于自然伸长状态（即恢复原长没有发生形变），此时关闭阀门B．弹簧受到的拉力F跟弹簧的伸长量△L关系如图乙所示。（已知g取10N/kg，水的密度为ρ水=1.0×103kg/m3，不计弹簧所受的浮力，物块A最近下载口腔牙周病学资料.pdf发热门诊管理手册.docxJava软件开发工程师简历模板包装教学问题完整版.doc2021年离婚协议书最全范本.doc完整版GCP考试题库及参考答案合集.pdf2020新版GCP试题及答案.docxJJF1033-2016计量标准考核规范.pdfGBT32610-2016_日常防护型口罩技术规范_高清版_可检索.pdf小学生必背古诗75首---方便打印版.pdf高中数学-圆锥曲线常用的二级结论.doc食品经营操作流程图-标准版.doc收藏联系作者更多下载本文档下一篇侵权举报请联系QQ：2885784724TEL：400-050-0827©2010-2023|m.book118.com原创力文档.AllRightsReserved四川文动网络科技有限公司|蜀ICP备08101938号-1var__SRV__='4.0.',__BOOK_API_HOST__='//api.book118.com/',__MAX_HOST__='max.book118.com'==''?'//max.book118.com':'//max.book118.com',__M_ZHINENG_HOST__='zhineng.book118.com'==''?'//zhineng.book118.com':'//zhineng.book118.com',__OPEN_HOST__='//openapi.book118.com/',__OPEN_ROOT__='//static.book118.com/open/static/',__HOME_ROOT__='//static.book118.com/m/static/home',__UTIL_ROOT__='__NO_PREFIX_HOME_STATIC__/util';varbase={member:{status:0,token:'',url:{login:'/home/index/login.html'}},search:{url:{log:'/home/newview/getSearchLog.html',auto:'/home/newview/autoCompleteNew.html',sub:'/home/search/index',clear:'/home/newview/delsearchlog.html',guess:'/home/newview/guessSearch.html',browse:'/home/newview/browseLog.html'}},menu:{url:{index:'/',user:'/home/newview/userindex.html',refound:'//api.book118.com/app/refund.html',claim:'/home/user/userclaim',browse:'/home/newview/userindex/type/browse.html',invoice:'/home/invoice/index.html'}},pageing:{tpl:'default',url:document.URL,data:{}}};varis_gray='0';varPAY_READ_TAG=1,NOT_DOWNLOAD_TAG=1,COCYRIGHT=5,is_off='0',PAY_READ_NEED=1;//1、已付费即不显示0未付费需要显示base.spider=0;base.detail={nickname:'hbxyXL2022',mid:'7164110002000042',senddate_de:'1648302674',aid:8005070004004066,//文档加密idformat:'docx',title:'压强浮力计算题训练题（压轴题）.docx',//文档标题typePathInfo:{"622":{"id":"622","pid":"0","typename":"\u4e2d\u5b66\u6559\u80b2","ispart":"0","channeltype":"17","issend":"0"},"625":{"id":"625","pid":"622","typename":"\u521d\u4e2d\u6559\u80b2","ispart":"0","channeltype":"17","issend":"0"}},senddate:'15beaee5ac7fec404eb6bc09ca1504d5',front:'https://img.book118.com/sr1/M00/07/0F/wKh2AmI_GlaIAEmOAAECpcDxR4wAA1fNAHIJssAAQK9555.png',is_stand:'0',is_follow:'0',click_url:'/home/view/documentClick/id/8005070004004066',user_info:{is_iphone:'0',is_bind_mobile:'0',is_bind_weixin:'0',},auth_info:{auth:0,address:'湖北',creditcode:'',organization_name:'',real_name:'周**',checkoriginal:1,is_follow:0,auth_notice:'0',_userId:'7164110002000042',member_field:'',auth_name:'周**'},self_url:'https://m.book118.com/html/2022/0326/8005070004004066.shtm',is_tt_view:'0',is_weixin:false,money:{down:60,//文档付费下载金币read:60//文档付费阅读金币},status:{share:1,collect:0,claim:1,report:1,download:3,stand:0,kele_doc:0,keledge_doc_down_flag:0,blur:1,follow:0,isDownload:''},next:{aid:'6204212102003202',url:'/html/2021/0620/6204212102003202.shtm'},preview:{support:["pic","txt"],preview_tag:'0',tip:{copyright:COCYRIGHT==3,forbid:NOT_DOWNLOAD_TAG==3},want:{//请求开放下载btn:NOT_DOWNLOAD_TAG==3,num:0},channel:'pic',//预览方式office:{aid:454040556,//解密后的idactual_page:17,//真实页数pay:PAY_READ_TAG!=0||PAY_READ_NEED||17==17||NOT_DOWNLOAD_TAG==3?false:true,//是否需要付费阅读front:'https://img.book118.com/sr1/M00/07/0F/wKh2AmI_GlaIAEmOAAECpcDxR4wAA1fNAHIJssAAQK9555.png',//封面图default_front:'//static.book118.com/m/static/home/images/office.jpg',src:''//预览路径},pic:{aid:454040556,//解密后的idpay:PAY_READ_TAG!=0||PAY_READ_NEED||17==17||NOT_DOWNLOAD_TAG==3?false:true,//是否需要付费阅读actual_page:17,//真实页数preview_page:17,//可预览页数view_token:'G_lAaDRqqvJSqyJYAlFyPZgGO6IbRPlg'//预览的token},txt:{aid:454040556,//解密后的idpay:PAY_READ_TAG!=0||PAY_READ_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