机械基础课后习题答案详解.docx

1、机械基础课后习题答案详解 ,1 b:ggvuTRg 1. 1 pQ 1 .1 .1 YefBl ( 1) cRoRvivQR|0 ( 2) c6R:ggRVve0 ( 3) cb:ggvulQ_x000F_0 ( 4) cwvi :ggvwpe0 ( 5) cNtv 蚛sb:ggTwvMOn 0 ( 6) 嬷 S0NOoR:ggLRg0 1 .1 .2 g RoRvQR| 1. g g:ghV-NzvRUSCQSO, /f_x0010_b:ggv KNN0 涎 /f:g hV-NR 坶 R vUSCQSO, N*Ng 厯 fN*N 涎 , _NN/f1u 傲 *N 涎 R Tc(WNwvN*N

2、zRvteSO0gVb_h N/f(uvgUSv ag_x0016_bOVb_egh:yv, FORfv w, g :NYvsb RSO0 :gg-NvgR:N N|: ( 1) g :gg)0(ueg/e b;mRgRg vg O:Nxvz:g gR 儶 PW_x0007_h ( 2) SR ;NR0 麎 eQg /fR_v;mRg sSO (u gqRRvg ( 3) R vQYO;NR RRv;mRg ( 4) N0gRvR vQR w O_x0012_RvO(u0 2. RoR RoR/f1u$Ng _x0010_bv 雯 SRvTc 萆 R, /f_x0010_b:ggvN 01uR

3、oRvINN wRoRvr_Y N: ( 1) wQ gNvc 扨 b, vb$Ng _x000E_Nc 扄 vhb 麎 RoRCQ 0 ( 2) Nv 雐 R0 k, RoRc NQR|: ( 1) 9hnc$Ng c 扅 QR:NoRTNOoR, vQ-Np_x0016_bc 扄 vR oR 麎 oR, 厢 c 扄 vRoR 麎 NOoR0 ( 2) cg_x0010_bRoR$Ng Rvb_x000F_R:NlRoR(鍀 :N 侔 ) 0 蒯 R0oRT tboRI0 ( 3) NRoRwwP6R$Ng N 雐 RvO(u, b 厐 RoR 9hncvQb_eQ_gvpeR:N! oR0

4、a! oR0b! oR0c! oRTd! oR0 (WE:gh-N, 8gNgvQgYYc 扄 vTcQ, 唞謏aRgTYc 所 b_eQv_gQ, v9hncb_eQz_gvpeg$R $Ng_x0010_bRoRv|+Rpe0;KN, $Ng _x0010_bvRoR_eQ N*N_g, _NwQ gN*Nu0k, sbRoRvgY_gpe:N2 , g_x000F_ _gpe:N10RoRvVb_h_x0019_R cgqv6R0 1 .1 .3 :ggRVvQ6R :ggT 萆 Rv 雐RQNTg_x0010_bvRoR|W( lRoR0RoRoRI) TTg R: 耳SnxTRoR

5、雍 On v:造 , _x000E_N g b_rT_x0016_Yb_:黠 V Q0b 厬 gRStvVb_, N9hnc :ggvR: cNvO:RoRvMOn , Q(uvRoRv g USag_x0016_bOVb_:ggvRQh:y 姬 _x000E_NE:ggMOn b:kOUSVb_麎 :ggRV0N w :ggRV/fTRdN_x000E_NRQv;u 姄 vV, g_x0005_nZi0Wy N:ggvRyr0:gg, _N1/fnx:ggeHhT_x000E_NR gsQv: sS:ggRV0 :ggRV6RvekY N: ,Nek: _x0005_n:gg0eQg N0

6、,Nek: R_x0005_ng_x0016_ HQ O;NR Rweg, 6q_x000E_T;NR , c 2 :ghYe gRUSCQSOvi_x0005_n:gg-N gNg vg_x0005_Sgg) cTc z_x0016_ 1 , 2 , 3 , 0 , Nek: _x0005_nRoR|Wv_x0016_ 9hnc$Ngv 雐 Rb_x0016_bRoR CQ vb_r, _x0005_nRoRv|WvO!k_x0016_ YA, B , C, 0 ,ek: pS_0W 颜 OVvbq_sb0 颶 e厽 gUS0_x0005_nZi0Wb:gg vRQh:y 姺 NS_x001

7、9_R0N, :gg-NvYpeg Rsb:Nbq_b0 ,Nek: 厺 gg:N PW_x0007_h;NRNN*NS_vMOn , cOTRoRvMOn , v;uRoRv謺 Q_x0016_ 厺 gg:N PW_x0007_h1/fQg NRoRvMOn , v厤 kMOn O :N摬 ;ug-NTg ggvMOn sQb 厺 gg,g/fT4ls_x0016_b Pe/f N Qv0 ;NRNS_MOn vv/f O;uggRV_x0005_npf, 1/fg ag= NN0 N0 ,mQek: TNg RoR(uUSvagwegg v謺 Qg _x0016_ SR lT4Y, O 掺

8、 ggvRV0 1 .1 .4 sb:gguv 1. sbN,:gguv vQlQ_x000F_:N F = 3 n - 2 pl - ph (1 .1) _x000F_( 1 .1) -N, F :N:ggvu, n:N:gg-N;mRg pe pl :N:gg-NNOoRv pe ph :N:gg-NoRvpe0 :NN OF cknx, cknx$Re:gg-Nn, pl Tph vpe k, yr+R 謏aYtY NR NQ: ( 1) cknx$R:gg-Ng peTRoRvpe0g:gg-NvR USCQSO, b 厬 Ng gYUO YBg, /fTN*NRUSCQSO, 1/f

9、N *Ng RoRpevnx, 謏 a YT 侔 vX(W, sSS_m( m 2) *Ng (WNY 厬 RoRTc 嬀 _x0019_Rg_x0010_b YT 侔 , vQlRoRpe:N( m - 1 ) *N0 ( 2) dS萪 1u0萪 1u/f(W gN:gg-N Ng Nuv N q_:ggvQg Rv萐 Rvu0(W:ggvu嬀 :g g-Nv萪 1udS N( OY:N gg-NR P_x000E_NR ,1 b:ggvuTRg3 0 ( 3) dSZ_g0Z_g/f:gg-N NgvRE N Nw_gO (uv_g0(WYYpeQ N, Z_g(ueg9eU:ggvRrQ, FOZ_gvX(W ;/f O:gguv TINpeNO, k,