为什么磁铁只能吸铁,而地球磁场可以吸万物?同样是磁场,为什么不同呢?请引经据典!
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/14 21:03:45
x}[s#ב_)e
xAIa[MYxąW$$f lw<Ŀ0e:U ȶegف`U%Og_Wk^=>/O3o5n{i
tWTvٽr+r6]j)?*W63Nbw͐7ۍ?zʊe$+nz
bYO3O;sI?[ը;Vn2sv]9ҷ7gTcūکjS'9,U*_JeZnkKK2h>߫E#^H;J=A!:_Ք{إJim.;;3nl{EqĢs5h1BK*sz`5ܭjOt"]{GVSJ@ޫtVWErb&HD
:^7疪lݢ[t@j;Gi%ő
Zy6Q)1Tkz$U,bnQ-ϜmM]yIJKj`)kuZ40cɷiuQ7@8XXN:it{M'OU<2;K īN
^Z PE^U&s汪1>#>[ 8Jõߑ{AWŦU25LArYp !Z81ޏ5Ǵԉ['ҡapM8rZ' }R**S~_EV%.]45f mTu֝.}Yve/
A?ZPW*ui[QJ|֮[[*s(J-OCiId)蜳4WjQMf@gN (&C{|fXR]*lS4K=ګ#6ImWeYTg; I&hXziQE,C{g&ᔍ{}ʄs9C٪߈O|ʞxiQ&iR;c80bz51|uN=!,(+T2ܺ_o6fk|buAϯ[IBȀi/-K<g"$]9^;MPgLT2i Pz8&Hp' {F^^8KSZ+1Sld<5Uܔ
gЧo)Nit"ΡɈtF>Y~0>u^~sXSu#u79 C8aj
l,K_fe*uۖbpfv)g9vrarYxCE̢h TکQƵ1s[zLjm`L;L6pnӢh"[^,@(GMu
Db^wmטAr2[YձgdLNq(O7g)N!~yg{[qQ8!j(H06"dSHUxq7748%Hl`Ð;3^J.c3;uN[2ɈHD5b ,I讑U4"Mnjx{GĴpS7]*nSFAJ}2DrL~uU9ߓ{Zr) D08 o;Ո9硳7/zԏ.M4zAnOcPL4*{ n,Y1A(:%"ݶF Z~d{r
믟C8S , kK9LL
dfAj O+s;*s4feeWzڏixhC|z7kziocQ:U)pJW "J9sQ'_>EUqL?WAEp| H}jH;sūlg_8wI nDӧn=0,^ψqd2;vN'atؽE3b*Ŗۜqq#U^ y$&qTj3:LMgM<~t|9ƠB-0 ?#VfObpvzb
FIf:4Zې[HW1hIҠh4k'?]єn,
MOs!xDO0=F=c/;+ͨ<-8Tyg/B9ZI(BOoD^3
i;MgS=1yI$|
Qw{zhҹvwWKDDt:ۈʢZD@I2zI$R=+bv&4K;5ƘIG?vlg~۳4GX!rψ2^^S'C܁% <-wXUDʛ=
^{?U
v*t#?Oցk= jvګfEHh'뜯Lo!0EaO)K"bF磄A̛k
|V*ԂDOlz맶ڙrY_7O)pn=]igL
&F;="{@1U@_G4eF&2UѸa-WU{ۿ"_O;3ýA9۱WQЎ=.a!qH/!kEA6Q/whOOpEaYSUI::=ЏajoH?>@ZCZ8I}`ۈ0`i^3_h7ﻍp-Gaf[63
`j^Z5]yCm"Q9i`Ye*R*ө:YUTCbPE+6i }k6Bcْ[^P# aM78Bu70Qw{lNlʀ`Zvb'?;DȻekLp ,"8o
5y *) |E@Of՚"wA{0#CI\p\:PQbDu=v}!FZ SҾĜ:ѽ5rPb`Ysӹ " ,wЕKӹ*M~$+p/lPS)7f~ 5"HcEciC{qy]--sRpUIV9cg>n'0NK֚z\$eHOul~#k =;l@D4<] '!?edmқIB%mUqklVg҄l
My#9ea b xsra4=*inTzBHF#Ld*^CTWSSw!
%;HcBP/aD v%o"!Ӷ8)p:cۂ9X&VgIfckLXV+qvp4CMe ilaZRhv@fY>EʫWCs6U]%C4EqsR_Ѡ'+HR$VȤ2O:za֟dyLWOFc=ŭ?DsS[ŋ Li{گ[YKhRF'۰h>nB@hhHH'VJ
&b[p_ɤ{J5v>15(c37'w5e3Սˆx 6jdYVtA*{v$l16<5 +d)nhb.v0-X] F.{) kZ&;%=ow
VL;!rtA8)%!휹4+NI^(1(0G{@X$[UcŇ-)t4g`EypIk. 9B/QW3"# ICoSkK/2LfWobY4FCkcۏz̊`$,'2KU|B^7̩gLNSY,HA9[%|twHE:M/F}ea&ILRe*쑪JEKz9݇ޟO?>$v~fGs^m~`UhCGY4)H
Jl4ot^Ťj}Ԇ
z
qrN{$w=Gɺ*_)k^N(KRn
.:qv@(yuc!\Bnn71hC {lHZþjw8 W;2
Hb/e 0%bZEHީk'$gNBnno8,NC2ޫ*u4bOEbieAPMPXY0Fj &xQu0D논SeMsCau .aA* >-Zv hQiXTac