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1、机械基础课后习题答案详解 ,1 b:ggvuTRg1. 1 pQ1 .1 .1 YefBl( 1) cRoRvivQR|0( 2) c6R:ggRVve0( 3) cb:ggvulQ_x000F_0( 4) cwvi :ggvwpe0( 5) cNtv蚛sb:ggTwvMOn0( 6) 嬷S0NOoR:ggLRg01 .1 .2 gRoRvQR|1. gg:ghV-NzvRUSCQSO, /f_x0010_b:ggv KNN0涎/f:ghV-NR坶R vUSCQSO, N*Ng厯fN*N涎, _NN/f1u傲*N涎R'Tc(WNwvN*NzRvteSO0gVb_hN/f(uvgUSva
2、g_x0016_bOVb_egh:yv, FORfvw, g:NYvsbRSO0:gg-NvgR:NN|:( 1) g :gg)0(ueg/eb;mRgRg vg O:Nxvz:ggR儶PW_x0007_h( 2) SR ;NR0麎eQg /fR_v;mRg sSO(ugqRRvg( 3) RvQYO;NRRRv;mRg( 4) N0gRvRvQRw O_x0012_RvO(u02. RoRRoR/f1u$Ng_x0010_bv雯SRvTc萆R, /f_x0010_b:ggvN01uRoRvINNwRoRvr_YN:( 1) wQgNvc扨b, vb$Ng_x000E_Nc扄vhb麎RoRCQ
3、 0( 2) Nv雐R0k, RoRcNQR|:( 1) 9hnc$Ngc扅QR:NoRTNOoR, vQ-Np_x0016_bc扄vRoR麎oR, 厢c扄vRoR麎NOoR0( 2) cg_x0010_bRoR$Ng倢雐Rvb_x000F_R:NlRoR(鍀:N侔) 0蒯R0oRTtboRI0( 3) NRoRwwP6R$Ng吧N雐RvO(u, b厐RoR9hncvQb_eQ_gvpeR:N! oR0a! oR0b! oR0c! oRTd! oR0(WE:gh-N, 8gNgvQgYYc扄vTcQ, 唞謏aRgTYc所b_eQv_gQ, v9hncb_eQz_gvpeg$R$Ng_x0010
4、_bRoRv|+Rpe0;KN, $Ng_x0010_bvRoR_eQN*N_g, _NwQgN*Nu0k, sbRoRvg'Y_gpe:N2 , g_x000F_gpe:N10RoRvVb_h_x0019_Rcgqv&6R01 .1 .3 :ggRVvQ6R:ggT萆Rv雐RQNTg_x0010_bvRoR|W( lRoR0RoRoRI) TTgR:耳SnxTRoR雍Onv:造, _x000E_Ngb_rT_x0016_Yb_:黠V Q0b厬 gRStvVb_, N9hnc:ggvR:cNvO:RoRvMOn, Q(uvRoRv&gUSag_x0016_bOVb_:g
5、gvRQh:y姬 _x000E_NE:ggMOnb:kOUSVb_麎:ggRV0Nw:ggRV/fTRdN_x000E_NRQv;u姄vV, g_x0005_nZi0WyN:ggvRyr'0:gg, _N1/fnx:ggeHhT_x000E_NRgsQv:sS:ggRV0:ggRV6RvekYN:,Nek: _x0005_n:gg0eQgN0,Nek: R_x0005_ng_x0016_HQO;NRRweg, 6q_x000E_T;NR, c2 :ghYe gRUSCQSOvi_x0005_n:gg-NgNg vg_x0005_Sgg) cTcz_x0016_1 , 2 , 3 , 0
6、,Nek: _x0005_nRoR|Wv_x0016_9hnc$Ngv雐Rb_x0016_bRoRCQ vb_r, _x0005_nRoRv|WvO!k_x0016_ YA, B , C, 0,ek: pS_0W颜OVvbq_sb0颶e厽gUS0_x0005_nZi0Wb:ggvRQh:y姺NS_x0019_R0N,:gg-NvYpegRsb:Nbq_b0,Nek: 厺gg:NPW_x0007_h;NRNN*NS_vMOn, cOTRoRvMOn, v;uRoRv&謺Q_x0016_厺gg:NPW_x0007_h1/fQgNRoRvMOn, v厤kMOnO:N摬 ;ug-NTgggvM
7、OnsQb厺gg,g/f&T4ls_x0016_b>Pe/fNQv0;NRNS_MOnvv/fO;uggRV_x0005_npf, 1/fgag=NN0N0,mQek: TNgRoR(uUSvagwegg v謺Qg_x0016_SRlT4Y, O掺ggvRV01 .1 .4 sb:gguv1. sbN,:gguvvQlQ_x000F_:NF = 3 n - 2 pl - ph (1 .1)_x000F_( 1 .1) -N, F :N:ggvu, n:N:gg-N;mRgpe pl :N:gg-NNOoRvpe ph :N:gg-NoRvpe0:NNOF cknx, cknx$R
8、e:gg-Nn, pl Tph vpe k, yr+R謏aYtYNRNQ:( 1) cknx$R:gg-NgpeTRoRvpe0g:gg-NvRUSCQSO, b厬 NggYUOYBg, /fTN*NRUSCQSO, 1/fN*NgRoRpevnx, 謏aYT侔vX(W, sSS_m( m > 2) *Ng(WNY厬RoRTc嬀 _x0019_Rg_x0010_bYT侔, vQlRoRpe:N( m - 1 ) *N0( 2) dS萪1u0萪1u/f(WgN:gg-NNgNuvNq_:ggvQgRv萐Rvu0(W:ggvu嬀 :gg-Nv萪1udSN( OY:Ngg-NRP_x000E_
9、NR,1 b:ggvuTRg30( 3) dSZ_g0Z_g/f:gg-NNgvRENNw_gO(uv_g0(W'YYpeQN, Z_g(ueg9eU:ggvRrQ, FOZ_gvX(W;/fO:gguvTINpeNO, k, (W:ggvu嬀 _eQZ_gvRoRTgSN, 厾0Rcknx:gguvv0Z_g8WNR:WT:( 1) S_$NgYc扌g_x0010_b蒯R, NTc扄Y$NgRveT|_dksL, _x0016_b_x0005_$NgYMTg_x0010_blRoR, NlRtT嬀 _x0019_R:NN*NNOoR( vQYONOoRYv_gN:N/fZ_g) 0(
10、 2) S_$NgYc扌g_x0010_bsboR嬀 傄Tc批pYvlQT,:NN*NoR; 傄Tc批pYvlQNT, 儔c批pYOv_gQ/fTN_g0OY傤Ng$NYc扌b_x0010_bsboR, $N*Nc批pYlQeTvN|_dkT, /fbsL, _x0019_R:N$N*NsboR_x0016_bNN*NsbNOoR0( 3) :gg-N O_x0012_RNwzO(uvR0;KN, (W:ggvu嬀 HQcknxRgv_x000E_fnx_x0007_cg-NX(WvYT侔0萪1uTZ_g, v萪1uTZ_gdSN, Q)R(u_x000F_(1 .1) eg:ggvu0g_x
11、000E_T(_0Rvu/f&T_x000E_N:gg-NSRpevI02. 蒯Rsb:gguvNg蒯R_x0010_bvsb:gg, 1uNN*NgX(WlRvR, g蒐R, b厏kN*NlgMwegvgu:N2 , k, 蒯Rsb:gguvN叟( 1 .1 ) , uNbvlQ_x000F_hQ蒯Rsb:ggvu, sSF = 2 n - pl (1 .2)_x000F_( 1 .2) -N, n :N:gg-N;mRgpe pl :N:gg-N蒯Rvpe01 .1 .5 wvQ(u1. ww/fO雳bRv$Ngw帶:N樀 sSI) vTp, sSTp0(W:gg-N, Yg$N*
12、Ng/fRv, sSvQTpY4 :ghYe vNIN欀 _x0019_RvQw麎雬w0Yg$N*NgN/fYbkv,sSvQTpYv:N欀 _x0019_RvQw麎_02. w;pe$N*NgN*Nw, k1uN *Ng+T:gg) _x0010_bv:gg, vQwpecTsQ_K = N( N - 1)/ 2 (1 .3)3. wMOnvnx:gg-N楣厐RoRTcv$Ng vQwMOnvnxeYN:( 1) 傤Ng_x0010_blRoR, _x0019_RlRoR-NsS/fvw0( 2) 傤Ng_x0010_b蒯R, _x0019_RvQwMON蒹eTvWvzY0( 3) 傤Ng_
13、x0010_bRvoR嬀 _x0019_RvQoRc批p1/fvw0( 4) 傤Ng_x0010_bR|QRvoR嬀 vQwMONc批pvlQN0NN楣b_x0010_bNOoR_x0016_bRoRv$Ng, vQMOnN楣姬 R|QRvoRTNN楣b_x0010_bRoRv$Ng, _x0019_R)R(uNtegnxvQwQSOMOn0Nt: OsbRvN*Ng屑gN*Nw, ONTN捀N04. w(WRgNv(u(uwO:ggvRg, vQfnxvQ-N$N*Ng( _x0016_b) , _x0016_b_x0005_Ng( _x0016_b) , Bl擀Ng( _x0016_b) vQNpv0(uwQNvsQ.(WNnx$N*Ng:ggKN儶N*Nw0(W(uwO:ggvRg嬀 cg'Yvi 龋县agh:yv$Ng TvTpib'Y, sTKN_x000E_TegBl0wN_x000F_0W1u;NRsSBlTR叹pvTv, NN:gg+RvP6R; FOw(uegBlN區egBlR
