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时间:2018-07-13
《2012高一物理学案3.2《弹力》(人教版必修1)》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、2012高一物理学案3.2《弹力》(人教版必修1)3.2《弹力》学案新人教版必修1一、学习目标1.知道弹力是接触力,本质是电磁力。2.知道形变、弹性形变的概念,理解弹性限度3.知道什么是弹力,掌握弹力产生的条件4.知道压力、支持力、绳的拉力都是弹力,会确定它们的方向5.知道弹簧形变与弹力的关系,掌握胡克定律二、课前预习1、叫做形变。所有物体均能发生形变。2、叫弹性形变,叫范性形变,叫弹性限度。3、弹力:,弹力产生的条件是。弹力的方向与物体的形变方向(相同或相反);与使物体产生形变的力的方向;弹力是发生形变产生的(施力物体或受力物
2、体)。4、弹力的方向:1、面面接触:;2、点面接触:;3、点点接触:organizationsystemandworkingmode,theselectionofanumberofmunicipalstrengtheninggrouptobuildinnovationandstrengthentheorganizationofthebasiclevelorganizationsadvancedmodel.(seven)themanualworkoftheCommunistYouthLeagueOrganizationpublis
3、hed<>and<>Leaguebranchofmanualwork,topromotetheuseoftwomanualsinthecity'sorganizationsatvariouslevels.Thecountycommittee,directlyunderthegroup(work)isunderthejurisdictionofgrassrootsLeagueandgroup(total)usingbranchratioshallnotbelessthan70%.Three,tofurtherstrengthent
4、hegroup'sleadershipandteambuilding(a)tostrengthentheleague'sleadershipatalllevelsofconstruction.ContinuetodoagoodjobofmunicipalPartyCommitteeOrganizationDepartment"onthestrengtheningoftheCommunistYouthLeaguecadresmanagementopinionsimplementation.Topromotethegroupcoun
5、ties(autonomouscounties,cities)Commissionandcitydirectlyunderthegroup(workers)appointedtocarryoutthe"Five"teambuildingactivities.ImprovetheLeagueAssociationDepartmentworkingmechanism.ConscientiouslyfulfillthedutiesofCO,combinedwiththecitygroupdirectlyunder(the)Commit
6、teeofthegeneralelectionandtheadjustment,activelyjointlywiththeunitwherethepartyorganizationdepartmentgoodgroupleadershipselectionwiththework.DoagoodjobinmunicipalPartycommitteeassistantcommitteeleadershipandleadingcadresoftheannualassessmentwork,adheretoandimprovethe
7、assistantsecretaryoftheCommunistYouthLeaguetalksystemgroupToweaveindividualconversationandcollectiveconversation,tostrengthenthecommitteesofalllevels,theStandingCommitteeoftheStandingCommittee,theestablishmentofasoundsystemofcentralgrouplearning,thesystemofinvestigat
8、ionandstudy,thesystemofimportantissuesandthereportingsystem.(two)tostrengthentheworkofeducationandtrainingofcadrestoconscientiously
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