牛顿运动定律.课件.ppt

1、 0FvvmpdtpdF dtvmd dtvdmF am baabFF iaa- a iFFiFFF 21 iFFiamamam 21am iam am221rmmGF 2211/kgmN1067. 6 G2RmMGmg 2RGMg 221rqqkf 229CmN109 k相邻质子间相邻质子间分别为分别为 N102 fN1034 FgmP gmPm正压力、正压力、 拉力、拉力、张力、张力、弹簧弹力弹簧弹力kxF xm00 xm0FFxFsf0v0vFfs Nfssm s0vsmfF Nfkk kvFkfsk svsfNgmxy sinmgfs xsmamgf sin0 NfssmvxysfNg

2、m030ABANATkfgmAaBgmBBTaxyANATkfgmAaBgmBBTaYamgmfTAAkA 030sin030cos0 gmNAamTgmBBB Nfkk 030cosgmAk )(agmTBB 0030sin30cosgmgmTAAkAamABATT gmmmmmaBAAAB 0030sin30cos T BTT )(agmB gmmmmBABA )30sin30cos1 (00 2sm75. 0 aN81. 1 TlgmTvddstmamg cosdtdvm dtdsdsdvm dsdvmv mvdvdsmg cos ldds vdvdgl cos vvdvdgl00cos

3、 221sinvgl sin2glv gmTvnmamgT sinlvm2 sin3mgT vkfgmfamafmg dtdvmkvmg tvdtmkvgdv00tmkvmkgv 0)ln(tmkgmkvg ln)1(tmkekmgv ttmkydtekmgdy00)1()1(22tmkekgmtkmgy kmgv ty)(mvdtdygF )( yvdtd dtdvyvdtdy yav 2yayv22 ygyaayF 2)3(gay )( yvdtdygF vdtdy 2v ygvF 2)(2ygv mMaMmmMagMNMNNgmMaMagMNMNmMamNgmMaMMaN sin)cos

4、(sinMmMaamN sincosmMmaNmg NN 2sincossinmMmgaM 2sinsin)(mMgMmamM v0agmTgmT0sinmaTmgTcos0 Tgm0amTgm 0 Tgm0 a船走吗船走吗? x y 0K0axy0K a0a a0 aaa amF )(0aam amFF 惯惯)(0amamF 0amF 惯惯xy0KgmT0a0a x y 0K惯F0amF 惯惯0 0sinxmamaT cosymamgT 0 mgma0tg ga0 ga01tg 0sinmaT0cosmgTMmmMamNgm惯mFMagMNMN惯MF cossinmMMmamaN sinco

5、smMmaNmg 0sin MMaN R0anamF 惯惯0 惯惯Ffs惯惯Ffs 惯Fsfnam nemR2 nnemRa2 nsamf nemR2 1a1F2F2a12f21f1r2r1m2m021,FF2112, ff11121amfF22212amfF221121amamFF nFFF21nnamamam2211iiiamF 22dtrdaii22dtrdmFiiiiirmdtd22MrmdtdMFiii 22nmmmM 21imMrmriic nnnmmmrmrmrm21221122dtrdMc 1a1F2F2a12f21f1r2r1m2m0crC dmrMrc1Mxmxiic My

6、myiic Mzmziic Mxdmxc Mydmyc Mzdmzc dtrdvcc Mdtrdmii Mvmii 22dtrdacc dtvdc Mamii mrmriic x02l2ldmdxxdxdmdxlmlCxdmmx1xdxlmmll2210Rxy0ddldldmmydmyC mdly sinRy Rddl mRdRyCsinRmRR22R2Rxy0ddlRx0r 021Rm01x22rmRx0r 0dx 22222)(0)(rRdrRxC222rRdr22dtrdMFci caM cxixMaF cyiyMaF czizMaF mvmviic dtvdacc00iFfCCaCMaf MfaC 5 . 01 . 0 2sm2 . 0 221tasCC 222 . 021 m4 . 0