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)themanualworkoftheCommunistYouthLeagueOrganizationpublishedandLeaguebranchofmanualwork,topromotetheuseoftwomanualsinthecity'sorganizationsatvariouslevels.Thecountycommittee,directlyunderthegroup(work)isunderthejurisdictionofgrassrootsLeagueandgroup(total)usingbranchratioshallnotbelessthan70%.Three,tofurtherstrengthenthegroup'sleadershipandteambuilding(a)tostrengthentheleague'sleadershipatalllevelsofconstruction.ContinuetodoagoodjobofmunicipalPartyCommitteeOrganizationDepartment"onthestrengtheningoftheCommunistYouthLeaguecadresmanagementopinionsimplementation.Topromotethegroupcounties(autonomouscounties,cities)Commissionandcitydirectlyunderthegroup(workers)appointedtocarryoutthe"Five"teambuildingactivities.ImprovetheLeagueAssociationDepartmentworkingmechanism.ConscientiouslyfulfillthedutiesofCO,combinedwiththecitygroupdirectlyunder(the)Committeeofthegeneralelectionandtheadjustment,activelyjointlywiththeunitwherethepartyorganizationdepartmentgoodgroupleadershipselectionwiththework.DoagoodjobinmunicipalPartycommitteeassistantcommitteeleadershipandleadingcadresoftheannualassessmentwork,adheretoandimprovetheassistantsecretaryoftheCommunistYouthLeaguetalksystemgroupToweaveindividualconversationandcollectiveconversation,tostrengthenthecommitteesofalllevels,theStandingCommitteeoftheStandingCommittee,theestablishmentofasoundsystemofcentralgrouplearning,thesystemofinvestigationandstudy,thesystemofimportantissuesandthereportingsystem.(two)tostrengthentheworkofeducationandtrainingofcadrestoconscientiouslyimplementtheCentralCommittee."Ontheimplementationofgrassrootscadrestrainingprojectandopinionsoncarryingoutthe"missionmunicipalCYLCadrestrainingprojectimplementationopinions,fullimplementationoftheprojectoftheCityYouthLeaguecadrestrainingeducation.Focusonthecountygrassrootscadresandworkersfocusedontraining,thenewschoolsystemvocationaltrainingLeaguecadres,fortheMunicipalOrganizationDepartmentjointlyheldthethirdsessionoftheCommunistYouthLeaguesystemtrainingcadresinparty.Focusingontheconstructionofnewsocialistcountryside,strengtheningvillagecadresandruralconstructionteamgroupmemberoftheyoungteam,thecountyorganizationsatvariouslevelsthroughouttheyearisexpectedtotrain10000ruralgrassrootscadres,planstotrain1000villagesecretaryofthevillagePartybranch.(three)activelypromotegrassrootscadreselectionwork.Undertheunifiedleadershipofthepartyorganization,tostrengthengrassrootsorganizationsdirectwork,standardizetheelectionworkrulesandprocedures,inthedesignatedcandidate,opencompetitiontodemocraticallyelectedbranchsecretaryatthesametime,activelyandsteadilythedevelopmentofTownship,streetsandothergrassrootsorganizationsinthedirectelectionofthepilotwork,onthebasisofsummarizingtheexperienceandgraduallyexpandthescopeofthepilot,andgraduallyformedasetofmeasuresandcadreselectionsystem.(four)tostrengthenthecadrestestingexercise.Tostudythedevelopmentof
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