第1章静力学公理和物体的受力分析 1-1画出下列各图中物体A,ABC或构件AB,AC的受力图。未画重力的各物体的自 重不计，所有接触处均为光滑接触。 A FN A ↓P P P FN2 (a) (al) F A A P P FN (b) (b1) A 4 FNI B P B P FN3 FN2 (c) (cl) F B B F P1 P2 P A A P2 FA (d) (d1) F A B F F F A B (e) (el) 1
B(f)(f1)AFAFA(gl)(g)41A2AFaxPP(h1)(h)1BBFFADoAD7FA(i)(il)FA0A专HADoG1)IFNPFAUFxA(k)(kl)2
FcaAP(0)(11)(12)(13)图1-11-2画出下列每个标注字符的物体的受力图。题图中未画重力的各物体的自重不计，所有接触处均为光滑接触，BP?(al)(a)VF(a2)(a3)F(b)(bl)4PFN2(b2)(b3)3
8.VPPBF(c)(cl)F-HFKPFNI(c2)(c3)qFF.CRDBAYCALDFFc(d)(d1)FoFAyFB9qI+DForCFArFDrDFDyF(d2)(d3)FayF"CYFNAqPBAFFoFEANpFcFbyFor(e2)(e3)(e)(el)FF.FB9BAFgs(f)(f1)N
FFcPCFFoyFRFAB(f2)(f3)FAF中P(g)(gl)F'FFCFD白氏1FcxP(g2)(g3)DF10FFAS-F(h2)(h)(h1)AF公FFNFCyF→CFFDF+NFor6OCOODFo-Fc0B(il)(i2)(0)
A-ONOAFAFCODFFsFoFwwwsFBx0FosBB(i3)(i4)FaADDCFoPCCFH-OFAFOHR中AFc中BplB&PB-FarFasG)G1)(2)F'FayFDyFizECF.!FD.EFF?ADFP4E1fVFrsFVTFoyFayFoGi5)(3)(G4)FCB0CAFBACEBF4OYvAFoFDE(k)(kl)FFFVYC古BFOECAFo90°-0FDEPDD4NFeALLFAL-F(k2)(k3)6
F1FFDDBTFc(11)(12)()FDFoFFDF(13)(14)或DFeNNCFC-F1FFEF.F+(12)*(13)"(14)*FsHFFB(m)(ml)FADDFAHSoDFFFAL(m2)(m3)1
钳子.3(nl)(n)(n2)BDLJC.GCEA(ol)(o)3VFF'AF(03)(02)(04)图1-2X