1.木板A上放一木块B,用手托着木板A在竖直平面内绕圆心0作圆周运动,在运动中,木块B与木板A保持相对静止,且木板A始终保持水平,则下列说法正确的是 A.木块B所受合外力不为零B.木块B所受合
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/03 20:26:40
![1.木板A上放一木块B,用手托着木板A在竖直平面内绕圆心0作圆周运动,在运动中,木块B与木板A保持相对静止,且木板A始终保持水平,则下列说法正确的是 A.木块B所受合外力不为零B.木块B所受合](/uploads/image/z/4806685-37-5.jpg?t=1.%E6%9C%A8%E6%9D%BFA%E4%B8%8A%E6%94%BE%E4%B8%80%E6%9C%A8%E5%9D%97B%2C%E7%94%A8%E6%89%8B%E6%89%98%E7%9D%80%E6%9C%A8%E6%9D%BFA%E5%9C%A8%E7%AB%96%E7%9B%B4%E5%B9%B3%E9%9D%A2%E5%86%85%E7%BB%95%E5%9C%86%E5%BF%830%E4%BD%9C%E5%9C%86%E5%91%A8%E8%BF%90%E5%8A%A8%2C%E5%9C%A8%E8%BF%90%E5%8A%A8%E4%B8%AD%2C%E6%9C%A8%E5%9D%97B%E4%B8%8E%E6%9C%A8%E6%9D%BFA%E4%BF%9D%E6%8C%81%E7%9B%B8%E5%AF%B9%E9%9D%99%E6%AD%A2%2C%E4%B8%94%E6%9C%A8%E6%9D%BFA%E5%A7%8B%E7%BB%88%E4%BF%9D%E6%8C%81%E6%B0%B4%E5%B9%B3%2C%E5%88%99%E4%B8%8B%E5%88%97%E8%AF%B4%E6%B3%95%E6%AD%A3%E7%A1%AE%E7%9A%84%E6%98%AF+A%EF%BC%8E%E6%9C%A8%E5%9D%97B%E6%89%80%E5%8F%97%E5%90%88%E5%A4%96%E5%8A%9B%E4%B8%8D%E4%B8%BA%E9%9B%B6B%EF%BC%8E%E6%9C%A8%E5%9D%97B%E6%89%80%E5%8F%97%E5%90%88)
xZ[S*$tSҚt$- զ/5vgKH !aq37 Bhɞ_]i0v~4f0fx酠J)3huF[歕עp\Iop*Ήհ(*ٷI1Ze}
vflZɋl^2|F>ٛ^bOD,yXOŬ8?V̨."brǍIeM}ؗ|uEfٌM+\.Y{u;z;bzvC̙3N;jgwbXY*zȿfADZI6ehE?*'1s|>/[iY"9rB[N]/dbQGȣ#}dL29YD씚0V2jň^V>Eus~<@J=fz|g;-#};s
,"t\Ie(zX@6!D3A6D2 dV Ӷv`>MTk"7aHN
{qLߗJKl7Ư>`s+f_~|o|eDx`t0Q/{&PNcY.c{&?3RL^T
iF^֪wyw- ,>}ȒŌNؙ3Wy$ur|sፈyy}p{AL*q|T6̙FQīD8[k-yoF~g /!?lWzf4Nod8bԊ((yfE{HxJqm?-D"ngGai8{jG p+ g*] Y^IL½[xPQadȿSV[h1*@[C#G-/ڙ
a"܈ WN@\|KU<%*m`oGȻp
hADFrfdM#CC fbǏ/Ȍ{ˁ*|:]{6'-OV;QO6{F!Jt"N*.keX95.4P#J9q_)F3So*4µ쀩Ekn[,YCEaet.>n/͠M6JAd0A"bc*@"FsJ
=ԑ]lᛰ;2'R+ ,If+g4a1
RO.؛1Ǚfɻm,rU,{6!\INy驴oObh+E)r[T,*hH$s}zd?Dorj tSP&v@ߙtͦqٝGGw̵Նc%#Ɠx L1g:SeX9ތ)q$
M*ET-noh~_ˀQDԕyc6XUL4QXTFJa.iCNIXV\bOgv (
y3U`J@Eo2+cQHǸuSŖZru#{]U!~FTe5OUw+GiHS+s뽑uqrui~PS:cxMW?'pU*{[U9k/}c7_t?Z{kF4Kg/'baz\vCҡ
jhY8h#};I3B{Jt03}s,w0#_ExIԴ/Y,4N̤@]WteHD+m;C
)dxx
-$Y#,:(Ja N
`. V('ڀmMGqHHhGaE#T[qJ8O0 FX=XxSELI0FsH|kyMZejV.1.t99.Ӝ^ȹ?Nz;tCݝFDP|mg2Fz)L`KH53_tvww
܁'Gw9c!1@F3'5KsS; @vAj碄X_P'WEh<gB,J٪Dd>$e6?
ÍFeQ<0''Q[SH-AÚ8yfDlrI?K1܂\%WNYgDQށT -ȴR2(~FQ1Ct;Bc.5Mwg<P.2Si_{"1G4"Bά<5Y%s <DBT8Qőv%}cŕ4.]_iZ7B_Ҹ"#|+`*RKqx0F=g)7QK\Zl#vfw|CV