2020年-2021年(超详)高中物理知识点归纳汇总

196AB(,,,)():+:13:131821G=mg(g)2F=Kx3F=N4Offm()5F=gV6:F=PS=ghs7F=G221rmm8F=K221rqq()9F=qE=qdu10F=BIL(BI)11f=BqV(BV)12,,,135123451B2B3B4B5B6B7B8B910111213B14B1516B1718BBB2020-2021296()()()F=0a=0V00(FV0)F=()()()f1234aa()V1F1F2COSFFFF2122212F1tg=FFF212sincos(1)(2)F1F2FF1+F2(3)F2FF1396F=0Fx=0Fy=0[1],[2]()F3=F1+F2(1)f=NaNGG;GbN.(2),.Offm(fm)abcdVI.2()Vt=V0+atS=vot+12at2(1)Vt2V02=2asaa(2)AB:Vt/2=VVt02=st(3)AB:Vs/2=vvot222Vt/2=V=VVt02=st=TSSNN21=VNVs/2=vvot222Vt/2=Vs/2;Vt/2Vs/2(4)St=St-S(t-1)=(vot+12at2)[vo(t1)+12a(t1)2]=V0+a(t12)(5)1s2s3sns123n1s2s3sns122232n21s2s3sns135(2n-1);axvvattvxatvvvvvtvxttt221220220004961()2132)(nn1)123n(6).().(7)(),,s=aT2Vs=aT2VN=V=st=TSSNN212Tssts2vvvvn1nt0t/2as=aT23NSNS=3aT2SmSn=(m-n)aT2,a::O5ABCDs1s2s3vTssvc232(T=50.02s=0.1sa223Tssaa23216549Tssssssav-taABCDEFv-taa.b.c.(50Hz,0.02s,5)d.cmt/s0T2T3T4T5T6Tv/(ms-1)BCDs1s2s3A596s11s2sa4...............3...............22..........1..................21220001sssasvmmgFatvs5..........)(22000gmFvtvsm5(0v)(0t)1tsvv=VVt022312v1.vSSSSV=VS=SVV2.3.AtA=BtB+n2AtA+BtB=245678696==()3(),0.V0g(1):H=Vgo22(2):t=Vgo(3):t=2gVo(4)(5)(6)S=Vot12gt2;Vt=Vogt;Vt2Vo2=2gS(SVt)4.:V=ts=2RT=R=2fR=fTt22a=vRRTR2222442f2R=vF=ma=mvRm22R=m422TRm42n2R()AtA=BtB+n2AtA+BtB=2(1).(2)(3)5.1abg23V0A(x,y),t.,'x,.:Vx=V0Vy=gt79622yxvvv'0xyvgtvvtanxxy:Sx=Vot2ygt21s22yxsss002gt21tgttan21vvxytan21tan)(21'xxyxy:xx21'OOPO7.F=maFx=maxFy=may(1)(2)(3)(4)(5)(6)1896av1.,()()()N=211212mFmFmm(N),m1F2m2F1F212mmmNF10F2=0122F=(m+m)aN=maN=212mFmmm2m1Fm1m2996F10F20N=211212mFmmmF(20F)F=211221mmg)(mmg)(mmF=122112m(m)m(mgsin)mmgF=ABB12m(m)mFmmgF1F2m1m2N1N2()N56=FMm(m6)1213N1213=Fnm12)m-(n2.()()31hLRF0020sintanvLRghvRvmLhmgmgmgFRgvtan0()VV0F=FVV0FFF+N=R2mvVV0FFF-N'=R2mvV02mg+T=mv2/L,,T,T,.()().VVVVVV()mg=Rm2vV=gR10962Rh()25RhV=gR5F=6mg:mg+T1=L2mv(T1=0,V=gR,VV):T2-mg=L2mv:mg2Lmm221221vvT2-T1=6mg(g)mgR=221mvT-mg=R2vmT=3mgV=gR2a=2g,V=)cos1(2gR,T=mg(3-2cos)3RUmNmg2V=0N=mgvNgRvNgRvNmgvNgRv)(000NgRvNgRvmgNNgRv0mg2R=221mvT-mg=mv2/RT=5mgV=gR2(,,,g)21234x502222yxFRTmRmRvmF311Fn=mv2/RFnmv2/R3=tgtgtga=g(sincos)4=arctg(ga)??B,VB=R2gmgR=221Bmv2mgR=mg2R+'2B'2Amv21mv21'A'BV2V'AV=gR53'A'BV2V=gR256VB=R2gABBABA()vavavaV0gR:,()(v1),v2m30AEmL1296FmSS0Ftts5(ay)()F=m(g+a)()F=m(g-a)123(13)??6.7.8.mv=MVms=MSs+S=ds=dMmMM/m=Lm/LMh,M,m.9.F=-Kx(XFavATfEKEP)10.T=2gl/12.s-tv-tx-ty-xi-ta-FF-1/mI-UU-IF-tq-tP-R-tE-t20mMmORa91396(1)(2).(3)aF=ma1()I=Ft()w=Fs2()p=mv=KmE2()I=FtFt=mvmv()I=Ft=F1t1+F2t2+---=p=P-P=mv-mv'pp0p21p-p()(),()1496()PPP1P2P1P2m1V1m2V2m1V1m2V2(PP)P0(0)PP()m1v1+m2v2='22'11vmvm0=m1v1+m2v2m1v1+m2v2=(m1+m2)v(P)(P)P+(P)=0:v1v2v1'v2':,,.()78,)2(vm21vm2121vm21)1(vmvmvm22221122221122112211vmvm2'2212'1222121'K2'K1K2k12mp2mp22mpEm2Em2E2Em22121mpm2111212221221211mmvm2)(vmm2v)mm(vvmmvm2111'2v21121'1vmmvm2mm)vmm(0'22vm:(P)m2v2=022221vm=0(1)(2)v1'=12121vmmmmv2'=1211vmmm21m1m2v1'0v2'0v1v1m1m2v1'v1v2'2v1()1596m1=m2v1'=0v2'=v1m1m2m1m2v1'0v2'0v2v1m1m2v1'-v1v2'0()22A.v1m1m2v2'2v1Bp1p2'=m2v2'=122211121121mmvmmmvmmm1m2p2'2m1v1=2p1CEK1m1=m2EK2'=EK1vmmvmvm)(212211vmvmvmm11221221221212'212211)(21)(212121mmvvmmvmmvmvmE().vmmvm)(021112111mmvmvE)(210212'21211vmmvm12122112122121212'21211E21)()2()(2121EkmmmvmmmmmmvmmvmmvmEE=fd=mgd=20mv21'2M)v(m21=M)2(mmMv20d=M)f2(mmMv20=M)g(m2mMv20210121121mmvmvmm)vm-(m21112101mmm2mmvmvvu2u1=12()()()v0ABABv0vsMvL1Av016963xxAOmE=21m112+21m22221m1u1221m2u22u2=21m(m11+m22m1u1)Eu1E=22112)(mmmmu12222111)(mmmmu1+[(21m112+21m222)221m(m11+m22)2]u1=u2=212211mmmmEm=21m112+21m222221221121))((21mmmmmm()M.mv0,.V0/3,,,?1996(24)1995(30)1997(2512)1998(2512)MV0mab.av()1999(2012)2000(22)2001(1712)1796AHOOBLPC2LM21NvBll2002(19)2003(1920)2004(1517)2005(18)2006(1618)2007(17)2008(1920)(),,.mv0MdvmMmv0fs1s2s1-s2=d22012121mvmvsf2221Mvsf2022022121vmMMmvmMmvdfANBCRRDPPLLEAOBPPvT23456EtE01896fdQdf(),()dmMMmvf220s2dmMmsmmMvvsdvvvvvvsds2020022,,2/2/mMs2d,,202vmMMmEkEK=fddEKm1v1=m2v2(m1+m2)v0=m1v1+m2v23Jev=1.910-19J=kwh=3.6106J1u=931.5MevW=Fscos()W=Pt(p=tw=tFS=Fv):P=Wt(t)P=Fv(F,V,P.V,P.P,FVEK=m2pmv2122Ep=mgh()()W=WW1+W2++Wn=Ek=Ek2Ek1=12122212mVmVW(W)()dmMms21996------------WG=-EP:,,,,.,-----------------------------------W=fdE()fd=QdE=Q+WWABqUABFdE=qEdE()WQUUItI2RtU2t/RQI2RtE=I(R+r)=u+u=u+IrPt=uIt+EP=IE=IU+I2RtWFdBILd()dRVLBLdRBLVB22EhENh(N)221mkmmvEhW0h=E-EEmc2Emc2=++(:).()()E1=E2()P()=E()EA()=EB()mgh1+121212222mVmghmVEp=Ek,W=fdE()4(1),(2),:(J)(1)=kkkEEEmvmvW1221222121(2)=WG=EP1EP2=EP=W=EP1EP2=EP,==,;,2096(3)()=WF=E2E1=E()(4)EK2+EP2=EK1+EP12221212121mghmvmghmvEK=EP(5)(1)(2)(3)(6)(1)=(2):W=fS=Q,(S;,S)(7)(1)(2),,(8)WQ=W+Q=U(,)(9)W=qu=qEd=FSE()(10)(1)tRu22RtIuItw(=(2),=+(3),=Pt=uIt=+EW=IUtIRt2(11)W=EWFdBILd()(12)(13):E=hE=Nh(N)h=W+221mv(14)h=EEh=EEEmc2(15)mg+EPmgh=EPkx+EW=E2196a=FfmFP=FvPva=0vvmP=Pa=Ffm0vF=Pva=FfmaVF=Pva=Ffma=0F=fvvmvmF+EW=EEq+EqU=EfQfs=QFEW=EF+EkW=EkF+EWF=E:(1),,.(2),()()a=012(1)(2)a(3)(4)12a312(1)(2)(3)(4)12342296(1)(2),,()12341231231(2)341rr2,3r41.191.610eC2.2QqFKrk=9109Nm2/C2313221qqqqqq,,.3.(E)qFE()2KQEr()dUE(EdE=E1+E2+()4.UUAB()U()E()2396Ed-qWUBABAABUBA(UBUA))W=qu=qEd=FSE()5.qW0A()6.(),,(?),,,E,7.