第7章2物系平衡

1、mkN5M0, 0, 0CxCxxFFFkN5 . 2, 0124, 0DDCFqMFMkN5 . 2, 02, 0CyDCyyFqFFF0, 0, 0CxAxCxAxxFFFFFkN15, 03242, 0BCyBAFqFFFMkN5 . 2, 02, 0AyBCyAyyFqFFFFFAyF1tt105 . 0, 0, 0PPFRFPrMB1trr64. 3tan, 0, 0PFFFFFFBxBxx1t232, 0, 0PFFPPFFByByy1rr64. 3, 0, 0PFFFFFAxAxx1t19, 0, 0PFFPFFAyAyyrPrFMrFMMA1tt10, 0, 0FFaFaFra

2、GrFMDDC20233)23(, 0TFFFDE2FFFFFFCxDCxx)21 (045cos45cos, 0TFFFFGFFFCyDCyy)22(045sin45sin, 0TqaFFFFaqFFAxCxAxx6045cos6, 0TFFFFFFAyCyAyy2045sin, 0T2T18503336, 0qaFaMrFaFaFaqaMMACyCxAA0, 0BxxFFkN5024, 0ByByAFFFMkN5042, 0AABFFFMkN10030sin, 011FFFFAykN66. 8030cos, 0212FFFFxkN10030cos30cos, 0414FFFFxkN1003

3、0sin30sin, 03413FFFFFykN66. 80, 0525FFFFxkN50, 0AxFAxxFFFFkN557. 7060sin1123, 0AyFGEAyBFFFFFMkN443. 90, 0BGEBAyyFFFFFFkN726. 801160sin, 011FFFMAyE2.821kN0sin60, 022FFFFFEAyykN316.1205 . 160sin15 . 0130cos, 033FFFFFMAyAxEDN98.30030cos61. 022. 161. 030cos61. 0, 0NNAABFGFMN25.200030cos61. 030cos)61. 02

4、2. 1 (, 0NNBBAFFGMN5 .133030sin, 0SSSSBABAxFFFFGFN5 .133030sin, 0SSSSBABAxFFFFGFAAFfFNSmaxBBFfFNSmaxN62.115maxmaxBAFFNNNNN0, 0FFFFFFBABAxFFFFFFFBABAySSSS0, 00)2(, 0NSdaFbFdFMAABASAFfFNSBSBFfFNSNS2FfF Sfba2SdfbdaFF2N Sfba20, 0S1T1FFFx0, 0N1AyGFF N11S1FfFSN250T1F0)54()(, 0T2T1RRFrRFMEN3 .2089)(5T1T21F

5、RrRFG054, 0T1S2T2FFFFx053, 0N2T2ByGFFF0)54()(, 0T2T1RRFrRFMEN22S2FfFSN6 .384T2FN6 .3842GSf21tanDfRetanNSS0FfF minFF maxFF cossin0sincos, 0min1Smin1SFGFGFFFxsincos0cossin, 0min1Nmin1NFGFGFFFy N1SS1FfF)tan(sincoscossinfSSminGffGFfStanfsincos0sincos, 0max2S2SmaxGFFGFFFxsincos0cossin, 0max2Nmax2NFGFGFFFyN2SS2FfF)tan(sincoscossinfSSmaxGffGFfStanf)tan()tan(ffGFG0sin, 0SGFFx0cos, 0NGFFy0sin, 0fMRGMA NSSFfF NfFM23815. 0arctan,tanSf91255 . 0arctan,tan11R 23891人有了知识，就会具备各种分析能力，明辨是非的能力。所以我们要勤恳读书，广泛阅读，古人说“书中自有黄金屋。”通过阅读科技书籍，我们能丰富知识，培养逻辑思