FWS>  x l  D   C    ?  O caption1 学习 caption2 测试 caption3 直尺 caption4 作用线 caption5 力臂 caption6 一个力 caption7 力偶 caption8 力臂大约是： caption14 提交 caption15 出题 caption16 再测 caption17 对： caption18 错。应该是： caption19 得分： _root lettertest Submit Next New test Yes,it is  No,it is  Score:  showline main force line1 _visible line2 showcouple showarm arm1 arm2 ruler move foot rotater axis armfalse gou2 gotoAndStop answer  comment commentall _x Math random round _y obsever space testrotation testpass testhave testseccess test armofforce <font color='#999999'>Moment arm of force</font> <font color='#000000'>Moment arm of force</font> line f2 s1 p s2 captione  captionc          	 
          O captione   0      ! " # linefalse   T  $   %N &N &N 'N ( O  %N &N &N )N ( O linetrue   l  $  %N &N &N 'N (O  *N I &   %N &N &N )N (O armfalse   <  +   %N ,N ( O  %N -N ( O armtrue   T  +  %N ,N (O  *N I    %N -N (O rulerfalse      %N .N ( O rulertrue      %N .N (O movetrue   b  /  %N 0N (O  %N &N 1N (O  %N 2N 2N (O movefalse   b  /   %N 0N ( O  %N &N 1N ( O  %N 2N 2N ( O question             3R        4N 5R  67O  87O  97O  %N 2N :        ; <R d       ; =RGO  %N 2N >        ; <R d       ; =RGO  %N 0N :        ; <R        ; =RGO  %N 0N >        ; <R        ; =RGO  %N ?N @N A        ; <R h      ; =RO begintest     B    C         D          O  %N ?N @N EO  %N ?N @N 1 O  FGO closetest   .   %N ?N @N E O  FHO couplefalse      %N ,N IN >        O  %N -N IN >        O *   %N &N &N JN ( O  %N &N &N )N ( O  %N -N ( O  KN LN (O  MN LN ( O coupletrue     %N ,N IN >   O  %N -N IN >O *  $N I &   %N &N &N )N (O  +N I    %N -N (O  %N &N &N JN (O  MN LN (O  KN LN ( O FSCommand:showmenu false  FSCommand:fullscreen true          N=  2    |  8     d
zgaQ[d3[K  	        @        \}e  o æ:C 	        @    I    TO @  eee L  gǜ	v:|~<__89c 	 s  	        @        W@O     %@}  	        @   	y   	       @          	                           @     
   ~   )T 5gf@ m O,,i`;I@p7jVc]U 	]XbUtAk??D Z Z
ǒx*8 N ֋[h 5eyW7-Ö~Nseq8G@ 5he rw+mb-1Z6U!RSИA7gyyUG6P\ո@& 'dmS'Sd L zw1 5J]᭸jVj;5Ta'cS؝WSnx,  5g^ܳ(@`1-SMw*JC0-  !L~ 0/丝?6a 5u
	a;?2-c3t
&, G(yRNW ҘH`M}IlT  5ge *irVd1bC@& ^@Li@	(& $И=Yڗ- :ʘ%f  XRhP+@pJ
zM,yk* P	D%HQH	@
* WVmMk  5djW 7,ܰ=CmHta.Mxc6Le&3! J<oYslC:	/g@*o;}  5k*, [[6)k)@JM))%i@SMnP5bV)%Ipo"`Ob(lfʭ&3*cLF2xY`    
 Arial  0 1 2 4 6 8 c m    x    	
     '8	Npi'8	Np'8	Nr' '8	Np'8	NT'8	Np'9Np'8	NpIN8	Np'8	Nq'8'8	Np'8p'8	NpN*p	Np'8	Nq'8'8	Np'8	Ɯ          	       ь34/\              :             _root   main N  ruler N  startDrag R       (      	 @ 	  	 @ C-  @ ]/   @ P@   	            i @  b1         C     _root   rulerrotater O          this   startDrag R    !   (  _root   rulerrotater  O        &  @  ruler @   /    2 [    q5B_[rܯn7(; 5ibUG</ܬs7GQiUsoR 5gf Rj7 kSz@]:Z{ 6L |>}w lBpZG zv 5`br3ʊ7#ܷcr3K 5d&PUUSU;\ L b GrinJvݒxi97HFrkH` 5dFPӖ3XE{^v 5hjeJXXLQT] T c07riiJ-Y, KtR4
%45'6aiXԺMyM9one:U3lV`&@ % 5dAxi~]/ $*a@0E%dTiM% P"Ȇ  u1!q @"YlUNj:h	@L?jS֛m׵h  5iq6f`M6*@_k.#-= "    Arial Black+ M P T h i m s y     P(   	   `@i  :    L-z fff *ڞdYn&H lk	&.&He !  	        @   	*       j
jJIb4   i @  @   	     ?             axis         ]   !  _root move main axis startDrag    N I   	      N N R       (     @         l K  3  6c8R 	        @   x	   t    |     +\v{;Mib0azZX-ic,nWim4uF+@Ki`lvzMib0aZ!ZXKgShMGm
-J4kKi``Zic,Ngim4utF/@S?Χg6:#,ujo奎6u=]v10Χg6:#,uB:vGQ@`´
ZX:@h;hVSkic,FThMGm
+|56:#,u[ZXKF6GQ@`´4kKi``X奎4j0cim4utF/@ #,uYMi`"j0cim4uF+ZXK*@ gim4utF/ZXKgSrU` g6:#,u1֖Χg6:#\@ ֖:vGQ@.O,v{;Mib0aZZX* {;Mib0aZZX:KgShMGm
֖:u=]v10ic,V vGQ@`µ6u8@ 4kKi`lp-e( 3hMG]֖:Z F+ZXKgShMGm ӿF#,m4Ki``Z g6:#,uηg6:#,us  g6:#,u/44k0Sim4uF+ZX6 `Ev10ic,tZX56:#\7ZXKgShMG].}c,v{;Mib0azZX<:ѬD`EMv10 6:#,uqY\X:@h;hV.` vGQ@`µ6u80ѬD`EMu10W  gim4uF+ZXKgSs<i`lv{;Mib0aZ@0 #*m4kKi`h` K `E{K:4j0]KF6GY,ꖖ:Ҕcim4uιic,?ZX56:igTt?i_,FThM=g@/YMiuKKi``]B?ZXKF6GY,.(`"0"@h=RZXS=:ѨD`E{K:Ki`h`"0"@h:^t:  FXhMGm
֖:Ѩ@.-,uQMiuHFN `Eu10ic,?ѨD`E{K:t FXhMGm
֖:Ѩ@-WYMib0aZZX?ZXKF6GY,-֖F#,m4Y [oic,FXhMG]-QMib0azZXZXKF6GY,-wYMiuKKi``[E?ic,FXhMg@QMiuKKi``]WZXKF6GY,.-,uYMiuHX:ѨD`E{K:}56:#,uu_ic,FXhMG].S(`"0"@h:^֖|奎4k0Sim4uΩ(`"0"@h=erZXX'ic,FXhMGm
+Ki`h`"0"@h=Rqoic,FXhMGm
*(`"0"@h=RZX/奎4j0cim4uιhf#*m4Y-+L#奎4j0cim4uΩB56:igT֖:ѨD`Eu10Ki`h`"0"@h:^m?奎4k0Sim4uΩ2(`"0"@h=RZXBic,FXhMg@56:igT֖]ZXKF6GY, 	        @        MA`P   *8   !    U4 s   T9ijtI 	%       |    1       @   	N        &   line1    &   @line2       &      f2 @   	           i @  rotater            7  _root move main obsever space rotater this startDrag    N I 6    N N N O          R    >   (  _root   main N	  obsever N  space N  rotater  O        &   force @        ` >    Uac 	        @   	        &  line @         ` >     Uac 	   !      @   	   "     & ! @line @       # 4OX (   $A@ {   $   #       a  !  _root move main foot startDrag    N I   	      N N R    ( 	   %  ?     $  @   	   &  @   	M  '  =   &  space           d  name1 _rotation angle _x r Math cos _y sin name angle1 w _xmouse angle2 atan2 angle21 u v rotater ! rotateexe  r name name1 angle     e    	 fL@ffff     R  	 fL@ffff     R 	 	   rotate  r name name1 h 	 	  
   5  G       R	 fL@ffff  
  LH    h  G '      g    h   
   G   	 fL@ffff     R  	 fL@ffff     R   	 	       y   ' x1 _root main axis _x y1 _y x2 foot y2 force test rotation testrotation rotater rotateexe x3 Math cos y3 sin rotate u v angle L sqrt F arm1 _rotation _xscale mycolor color setRGB arm2 mycolorOther rulerrotater ruler b1    N N N  N N N  N N N 	 N N N  N 
N O  N 
N 	O  I      N 
N N  N 
N 
N       =	 d   	 fL@ffff     R	 d   	 fL@ffff     R  I \   N 
N N  N 
N 
N       =          	    G     R    G     R  N N  O  N N O  N N  Z   GO  N N O  N N     @ 	         H          !R 	         g         !R  N "N  O  N "N O  N "N  Z   GO  N "N  2   GO # N "N     @  g         # !R  H        # !R  $N I A   N %N &N  N %N %N 6     =     @ @   	   (     &   ruler    &  @@axis    &
   `force    &     arm2    & " )arm1    & % @L0foot    & ' Ƌ obsever @      & (   ?@HYmain     &            ;  _root movetrue armfalse linefalse couplefalse rulerfalse            R           R           R           R           R      8   ) ` 2V    5 	:   XŞs融C 	   *   )  @    * > -   + tϟ|  fff 5ϟ|y_G.X1  	   ,   +  @    , 3Y;`0 *   ?  \    - ]XUd      jxY:@ 	   .   -  @      /   .   i @  -   i @                movefalse =          begintest =          question =          couplefalse =    / $0XM   0 To  %X3cN'?.vO)fg|   %Gԟfh'23+9+9y֛ 	   1   0  @    >   2 TA     K=$ 4' 4-))ynn L' LVVv$ 	   3   2  @   	:   4   1 fefd    & 3 \ p  3  i @  @   K     4   @	_ޢXs1         '             _root   couplefalse R     J   ' 4   @	_ެs2         &             _root   coupletrue R      $   5 M	}B_    fff%+Jc´pS\4 	   6   5  @   	C   7      6  h<4  6   6 rG3L 30 @    !   8 M<  (    (    %BԕB-9 	   9   7   8  @   	  :  ?        7 `           <  _root main obsever space test armtrue _parent gotoAndStop    N N N N I -            R        R     @      9 `            =  _root main obsever space test armfalse _parent gotoAndStop    N N N N I -            R        R     @      &. : Ŋ<ڭPgou2 	   ;  ?    g    7 `        M             _root 
  linetrue R        _parent   gotoAndStop R     @  j    9 `         N             _root   linefalse R        _parent   gotoAndStop R     @   0 ; Ŋ<گ 	   <  ?    h    7 `        N             _root   rulertrue R        _parent   gotoAndStop R     @  k    9 `         O             _root   rulerfalse R        _parent   gotoAndStop R     @   2 < ŉ<0	/   = g.G0
 ,          ( caption6 One force 4 =   @bF	,   > g&0
 ,          ( caption7 Couple 5 >   @bF	:   ? o 0
 ,          ( caption5 Moment arm of force 6 ? @26`	*   @ __` 0
 ,         ( caption2 Test : @ *	+   A g"g0
 ,         ( caption1 Study ; A +	4   B g=G0
 ,          ( caption4 Line of action < B @v`	+   C _x` 0
 ,          ( caption3 Ruler = C @Ov3   D hSA  
 f$=RE!Y 2OP > D   @bH0@    ' . 4 5 6 ?(     _root   lettertest  caption14 O   Q> >   E   .   i @  -   i @      '  _root closetest movetrue couplefalse            R              R           R  E 10P  ,   F h        5 x;' Ev2  	   G   F  @   Z  H   G  ęU F  ęU      testpass _root answer  armtrue gou2 gotoAndStop testhave lettertest caption15 x main obsever space L Math abs round comment caption17  cm testseccess caption18 commentall caption19 caption16 begintest caption14 question       I  N I           R        N R          G   	NO 
 N N N N 

     R         R 
     N 
	 ?g  N 
	 ?GH 9    N 
G GO     G "    N 
G GO     I :    N     GO   NO t       I _   N  NI           =        NO         =   H 
#O' " , g
) 	#   I g,_ 
 ,         ( answer 4 I  ?OT 	G   J w	#0
 ,         ( caption8 The moment arm of force is about 5 J  ?O. 	%   K oG 0
 ,          ( comment 6 K  ?OL4 	.   L g70
 ,         ( lettertest Submit 7 L =* 	'   M g<0
 ,          ( commentall 8 M =Z 	   N W{0
 ,         (  cm 9 N  @ _Ƞ @         " 0 2 4 5 6 7 8 9 : ; < = @   
