高中物理知识点复习提纲

11.A1232.A123.A1231-1ACBABS4O50m4A1stv=s/tm/s/2ts,v=s/t35A12xtv-tA1s-tABCABC1-1V/m.s-1t/sO-101020V1V2151052v-t2-4-1v1=20m/s,v2=-10m/s,20m/s10m/s6A1:,,:a=0tVVt2,3,,;,.7()A11,2,,.34,,,.5,6212BABBCT2CBCCDT22CBCDBCaTT8A1.vt=vo+atvt=vo-at2.2otvvv.3.s=vot+at2/2s=vot-at2/242202tSa2202tSa5.,,s=aT2(a----T----)9xtv-tA10A121g.2,,.,(3)g=10m/s2??????OABCDE3.0712.3827.8749.62.77.402-51234650V/mt/234516783vt=gtH=gt2/2,vt2=2gh11A1.2.3.412A1.2.3.G=mg13A1.2.3.,,.F=Kx(x,K)4.,,.14A(1)NFf=aFNGG;GbFN.(2),.Offm(fm)abcd15B1.2.1F2F1F2F21FFF1F2F1F2F21FFF1F2F1F2FF1F2COSFFFFF2122212-+=F1F2(1)(2)F1F2FF1+F2(3)416A1.(1)(2)2.F=0(1)(2)(3)Fx=F1x+F2x++Fnx=0Fy=F1y+F2y++Fny=019A12m(kg)s,OF1F2F15117AB21.11232(1)(2)312F=ma341kg1m/s21N123123123412F2F12.3.1:200m3m/s5m/s12mincosddttvv=01mindtv22vvv2222()ABBCxxxdvtxvt2minxd22sinvvvvdtv2:200m5m/s4m/s121mindtv22vvv2222()ABBCxxxdvtxvt2AC22minmincossincossinACvvvvvvdvdxxvxdttvv4.10xyvvvgt:22yxvvvoxyvgtvvtan20212xvtygt22xxyovgtxy21tan3:221gtygyt2y45tan2tan26.AOB5.1.222svrrfrnrtT/m/s2.222fntT/rad/s3.22rTvs4.1fTHz5.Nnt/r/snf(n/)6.22222()(2)varvrfrrT7.22222()(2)vFmammrmvmrmfrrT6.1mg=2vmRv=Rg2vRgvRg3vRg1v=0F=mgF20vRgFvmgF0F3v=RgF=04vRgFvF0F7.1.32rkTK2.122mrFGm1FmgFmgmaga2Fmg3.22GMmmgGMgRR()4.h222GMmGMmgGMgRhgRhRh5.2GMmFFr22GMmGMmaarrag22GMmvGMmvrrr223GMmGMmrrr223224GMmrmrTrTGM6.122gRGMgRMGRg22GMvrvMrGVr3233GMrMrGr42323244rrTMGMGTTr532324GMvrvTMGrTGMVT633GMvvrMGGMrVVT7.343VR2233232322()3434rMMrRVmMGmGTRrrGTTM23GT(r=R)8.(7.9km/s11.2km/s16.7km/s8.1.cosWFx123cosnFFFF(AB)(CD)4212PEkx0xllPPPWEEE5.212KEmv22211122KKKEEEmvmv6.KKKWEEE123nFFFFKKKEWWEWEWL7.1122PKPKEEEE()KPEE()ABEE(AB)