如图所示水平轨道bc的左端与固定的光�竖直半圆轨道相切于c点右端与一倾角为30°的光�斜面轨道在b点平�连接即物体经过b点时速度的大小不 Sketch Coloring Page

如图所示水平轨道bc的左端与固定的光�竖直半圆轨道相切于c点右端与一倾角为30°的光�斜面轨道在b点平�连接即物体经过b点时速度的大小不 Template

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sketch #3939

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sketch #2797 Homer by Na Ruro

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sketch #643 Happy Valentines

Tom Kelly
sketch #643 Happy Valentines

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anonymous

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sketch #2771 Naruto by Милен Тревата

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sketch #2477 hhhh

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tomski如图所示水平轨道bc的左端与固定的光�竖直半圆轨道相切于c点右端与一倾角为30°的光�斜面轨道在b点平�连接即物体经过b点时速度的大小不 coloring

如图所示水平轨道BC的左端与固定的光�竖直四分之一圆弧轨道相切与B点右端与一倾角为θ=30°的光�斜面轨道在C点平�连接物体经过C点时速 sketch template

如图所示水平光�地面上停放着一辆质量为M的小车小车左端靠在竖直墙壁上其左侧半径为R的四分之一圆弧轨道AB是光�的轨道最低点B与水平轨道 sketch template

如图所示水平轨道BC的左端与固定的光�竖直半圆轨道相切于C点右端与一倾角为30°的光�斜面轨道在B点平�连接即物体经过B点时速度的大小不 sketch template

题目如图1所示是游乐园的过山车其局部可简化为如图2所示的示意图倾角θ=370的两平行倾斜轨道BCDE的下端与水平半圆形轨道CD顺� sketch template

如图所示一工件置于水平地面上其AB段为一半径R=10m的光�圆弧轨道BC段为一长度L=05m的粗糙水平轨道二者相切于B点整个轨道 sketch template

1如图1所示ABC为一固定在竖直平面内的光�轨道BC段水平AB段与BC段平�连接质量为m1的小球从高为h处由静止开始沿轨道下�与 sketch template

24．12分如图所示，绝缘光�轨道ABCD竖直放在与水平方�成θ＝45°的匀强电场中，其中BCD部分是半径为R的半圆环，轨道的水平部分与 sketch template

．如图所示水平光�的平行�属导轨左端接有电阻R匀强磁场B竖直�下分布在导轨所在的空间内质量一定的�属棒PQ垂直导轨放置．今使棒以一定的 sketch template

如图所示，上表面粗糙倾角θ=37∘的斜面体放在光�的水平地面上，一物块静止在斜面体上．现给斜面体一水平�左的推力F，�现无论F多大，物块均能与 sketch template

如图所示水平轨道AB与半径为R=360m的光�圆弧形轨道BC相切于B点质量为M=099kg的木块静止于B点质量为m=10g的子弹以v0 sketch template

如图所示，现有质量分别为m、的小球a和物块b静置于光�的水平轨道上，水平轨道右端与光电装置相连，左端与一停在光�水平面上长为l、质量为的小车c sketch template

如图所示光�半圆环轨道处于竖直平面内半圆环与粗糙的水平地面相切于圆环的端点A一质量m=010 Kg的小�块以初速度v0=70 M sketch template

$如图所示水平轨道BC的左端$frac{1}{4}$圆轨道相切于B点右端与一倾角为30°的光�斜面轨道在C点平�连接即物体经过C点时速度 sketch template$

如图所示有一光�轨道ABCD其中AB沿竖直方�BCD为竖直面内的半圆轨道圆心在O半径为RBOD在同一水平面上．一个质量为m的小 sketch template

如图所示水平轨道上轻弹簧左端固定弹簧处于自然状态时其右端位于P点现用一质量m=01kg的小物块将弹簧压缩后释放物块经过P点时的速度 sketch template

如图甲所示一对足够长的平行光�轨道放置在水平面上两轨道相距L=1m左端之间用R=3Ω的电阻连接轨道的电阻忽略不计一质量m=05kg sketch template

如图所示水平轨道AB与半径为R=360m的光�圆弧形轨道BC相切于B点质量为M=099kg的木块静止于B点质量为m=10g的子弹以v0 sketch template

如图所示光�曲面AB与水平地面BC相切于B竖直光�半圆轨道CD与水平地面BC切于C已知圆轨道半径为RBC长为4R且表面粗糙一�块从 sketch template

如图所示水平轨道BC的左端与固定的光�竖直四分之一圆弧轨道相切与B点右端与一倾角为θ=30°的光�斜面轨道在C点平�连接物体经过C点时速 sketch template

如图甲所示轻杆BC固定于墙壁上右端带有光�定�轮．轻绳AD跨过定�轮挂住一个质量为M的物体∠ACB=30°轻绳AD与BC的接触点为C点 sketch template

如图所示两足够长的光�平行固定�属导轨与水平面的夹角为匀强磁场与导轨平面垂直一质量为m有效电阻为R的导体棒在距磁场上边界处静止释放 sketch template

如图甲所示水平桌面上固定有一位于竖直平面内的弧形轨道A其下端的切线是水平的轨道的厚度可忽略不计将小铁块B从轨道的固定挡板处由静止释放 sketch template

如图所示竖直放置的光�圆轨道被固定在水平地面上半径r=04m在最低点处有一小球其半径远小于轨道半径r现给小球以水平�右的初速度 sketch template

如图所示水平的粗糙轨道与竖直的光�圆形轨道相连圆形轨道间不相互重叠即小球离开圆形轨道后可继续沿水平轨道运动．圆形轨道半径R=02m sketch template

如图所示物体A置于水平面上物A前固定有动�轮BD为定�轮．一根轻绳绕过DB后固定在C点BC水平当用力以速度υ拉绳子时物体沿水平 sketch template

如图所示半径为R的光�圆弧轨道固定在竖直平面内轨道的一个端点B和圆心O的连线与水平方�间的夹角θ=30°另一端点C为圆弧轨道的最低点过 sketch template

如图所示一对光�的平行�属导轨固定在同一水平面内导轨间距为L左端接有阻值为R的电阻一质量为m电阻为r的�属棒MN垂直放置在导轨上 sketch template

如图所示一根长为L的轻杆OA可绕水平轴O在竖直平面内自由转动左端A挂一质量为m的物体从杆上一点B系一不可伸长的细绳将绳跨过光�的钉子 sketch template

如图所示，固定在水平面上的光�半球，球心O的正上方固定一个小定�轮，细绳一端拴一小球，小球置于半球面上的A点，另一端绕过定�轮，如图所示。今 sketch template

如图所示AB为光�的水平轨道BC为光�的半径为R可以任意调节的竖直半圆轨道二者在同一竖直水平面内相切于B点一个质量为m的小球以初速度 sketch template

如图所示质量为m的物体在的水平力作用下沿倾角为q =30º的斜面�上匀速运动根据力学规律和题中提供的信息你还能求得哪几个作用力及跟�擦 sketch template

如图所示，一物块置于水平地面上，当用与水平方�成60°角的力F 1拉物块时，物块做匀速直线运动，当改用与水平方�成30°角的力F 2推物块时 sketch template

如图所示竖直平面内的四分之一圆弧轨道下端与水平桌面相切小�块A和B分别静止在圆弧轨道的最高点和最低点现将A无初速度释放A与B碰撞后结合 sketch template

如图所示竖直平面内有一光�绝缘半圆轨道处于方�水平且与轨道平面平行的匀强电场中轨道两端点AC高度相同与圆心O在同一水平线上轨道的 sketch template

如图所示质量为m的小球用一根细线悬挂在O点用一个水平力作用在小球上使细线与竖直方�成30°角时小球静止求1水平拉力的大小．2 sketch template

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