15．如图6所示绳子ab能承受的最大拉力为100n用它悬挂一个重50n的物体现在其中点o施加一个水平拉力f缓慢�右拉动当绳子断裂时ao Sketch Coloring Page

15．如图6所示绳子ab能承受的最大拉力为100n用它悬挂一个重50n的物体现在其中点o施加一个水平拉力f缓慢�右拉动当绳子断裂时ao Template

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sketch #3174 John Snow Helga Fon Stein

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sketch #3174 John Snow Helga Fon Stein

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sketch #2926 Power Puff Girls by Sylvie Rieux

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sketch #2926 Power Puff Girls by Sylvie Rieux

sketch #1068 dançando

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anonymous
sketch #1068 dançando

sketch #2777 Ralph & Vanellope by Alexander Volodimirovich Danilchenko

Alexander Volodimirovich Danilchenko
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sketch #5020 Stitch by Hina Ali

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sketch #5020 Stitch by Hina Ali

sketch #4349 Cícero Николай Герасимов

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sketch #4349 Cícero Николай Герасимов

sketch #3133 Skrillex by Asfa Sajid

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sketch #3133 Skrillex by Asfa Sajid

sketch #4279 Winnie the Pooh by Douglas Dalmora

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sketch #4279 Winnie the Pooh by Douglas Dalmora

sketch #5159 Frank Briones Silvia Haynes

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sketch #5159 Frank Briones Silvia Haynes

sketch #3698

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sketch #3567 Worried Girl by Juvenilia Alexandrino

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sketch #3567 Worried Girl by Juvenilia Alexandrino

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anonymous
sketch #3052

sketch #4012 Owl sketch

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sketch #4012 Owl sketch

sketch #3572 Hate mondays by Malyi Link

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sketch #3572 Hate mondays by Malyi Link

sketch #1972 Boogaloo @Memphis

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sketch #1972 Boogaloo @Memphis

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Laura Agapi Asnicar
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sketch #2025

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sketch #5153 Random Access Memories by Khin Nyunt

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sketch #5153 Random Access Memories by Khin Nyunt

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sketch #5219 Zayn Malik by Amila Madhushanaka

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sketch #5219 Zayn Malik by Amila Madhushanaka

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sketch #15

Tom Kelly
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sketch #3064

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tomski15．如图6所示绳子ab能承受的最大拉力为100n用它悬挂一个重50n的物体现在其中点o施加一个水平拉力f缓慢�右拉动当绳子断裂时ao coloring

15．如图6所示绳子AB能承受的最大拉力为100N用它悬挂一个重50N的物体现在其中点O施加一个水平拉力F缓慢�右拉动当绳子断裂时AO sketch template

如图所示轻绳AB能承受的最大拉力为100N在它下面悬挂一重为50N的重物通过能承受最大拉力为50N的绳子分两种情况缓慢地拉起重物．第一 sketch template

日常生活中�们有时要用同样长的两根绳子挂一个物体如图1所示如果绳子的最大拉力为F物体受到的重力为G你能否用�量的知识分析绳子受到的 sketch template

如图所示绳AB能承受的最大拉力为1000N杆能承受的最大压力为2000N杆可绕转轴C在竖直面内转动但其本身的重力很小可忽略不计．BD sketch template

如图所示两根等长的绳子AB和BC吊一重物静止两根绳子与水平方�夹角均为60°．现保持绳子AB与水平方�的夹角不变将绳子BC逐渐缓慢地变化 sketch template

如图甲所示的�轮组每个�轮等重．不计绳重和�擦物体重G1从200N开始逐渐增加直到绳子被拉断．每次均匀速拉动绳子将物体提升同样的高度．图 sketch template

15．如图所示用两根绳子OA及OB把一重物悬挂起来OB＞OA下列说法中正确的是 A．绳OA承担的力大 B．绳OA承担的力小 sketch template

如图所示一个人用一根长1 M只能承受46 N拉力的绳子拴着一个质量为1 Kg的小球在竖直平面内做圆�运动已知圆�最低点离地面距离h sketch template

如图所示中L1L2L3三根绳子能够承受的最大拉力相同现不断加大所系重物G三根绳子断折的情况是 A．L1先断B．L2先断C．L3先断 sketch template

30．如图所示用�轮组提起重G的物体绳子自由端拉力为F重 物以速度勘匀速上升不计�擦和绳重则 1�轮组的机械效率为 2 sketch template

如图所示两根等长的绳子AB和BC吊一重物静止两根绳子与水平方�夹角均为60°．现保持绳子AB与水平方�的夹角不变而将绳子BC逐渐缓慢地变 sketch template

如图6所示用绳子系住小球挂在墙上试画出小球所受重力的示意图——青夏教育精英家教�—— sketch template

如图所示一个人用一根长1 M只能承受46 N拉力的绳子拴着一个质量为1 Kg的小球在竖直平面内做圆�运动已知圆心O离地面h=6 M sketch template

一轮复习：阿特伍德机类型知乎 sketch template

用四个�轮和两根相同的绳子组成如图所示的甲、乙两个�轮组用它们匀速提起货物在绳自由端施加竖直的拉力分别为F甲和F乙物重分别为G甲和G乙 sketch template

如图所示是某绳波形成过程的示意图质点1在外力作用下垂直直线方�做简谐运动带动234 各个质点依次上下振动把振动从绳的左端传到右端 sketch template

如图所示用两根绳子吊起一重物使重物保持静止逐渐增大两绳子之间夹角则两绳子的拉力的合力变化情况是 A不变 B减小 C增大 D sketch template

如图所示一个人用一根长1m只能承受46N拉力的绳子拴着一个质量为1㎏的小球在竖直平面内作圆�运动已知圆心O离地面h=6m．转动中小球 sketch template

张强同学利用如图所示的�轮组将货物运送到楼上图中每个�轮等重不计绳子重和�擦．如果所送货物重G从200N开始逐渐增加直到绳子被拉断．每次 sketch template

如图所示先在一个配有活塞的厚壁玻璃筒里放一小团蘸了乙醚的棉花然后迅速压下活塞筒内棉花燃烧起来．对这一现象的解释是活塞压缩玻璃筒内的空气 sketch template

用相同�轮和绳子分别组成如图所示甲乙两个�轮组绳子所能承受的最大拉力相同．不计绳重及�擦两装置匀速提升物体的重力最大时则下列说法正确的 sketch template

如图所示对于同一高度的两个定�轮AB用一条足够长的绳子跨过它们并在两端分别挂有质量为m1和m2的物体m1≠m2 另在两�轮中间的 sketch template

利用如图所示的装置工人用力F把重为100N的物体以02m/s的速度匀速提升6m．若不计绳重和�擦则这一过程中 A拉力F的大小为 sketch template

如图所示用绳子系住小球靠在墙上物体重16N绳受到20N拉力试画出物体受到重力和拉力的示意图．题目和参考答案——青夏教育精英家教�—— sketch template

如图所示拉力F=125N在10s内将重物匀速提升2m�轮组的机械效率是80%．则下列说法不正确的是A绳子自由端移动距离为6mB物体重 sketch template

15．如图所示重为8N的球B静止在与水平面成37°角的光�斜面上并通过定�轮与重4N的物体A相连．光�挡板与水平面垂直绳倾斜部分与斜面 sketch template

如图所示四个�轮组如果�轮的重力和一切�擦及丙组的板重不计重物G的重力为600N．要将重物匀速提起四种情况下拉力F分别为F甲= F乙 sketch template

6． 用如图所示的�轮组提升物体当作用在绳子末端的 拉力F为10N时物体被匀速提高50cm在此过程中 拉力F做的功为 J若�轮组的机械 sketch template

如图所示物体重G=500N�轮重10N当物体G匀速上升时则挂钩B承受拉力为500500N挂钩A承受255255N的拉力拉力F为 sketch template

如图所示用绳ABBC吊一重物PBA绳与水平方�夹角为60°BC绳与水平方�夹角为30°绳AB能承受的最大拉力为300牛绳BC能承受 sketch template

如图甲所示的�轮组．不计绳重和�擦物体重G从400N开始逐渐增加直到绳子被拉断．每次均匀速拉动绳子将物体提升同样的高度．图乙记录了在此过程 sketch template

如图所示，电源电压恒为18V，定值电阻R1=20Ω，�动变阻器R2标有“40Ω 05A”，电流表A的量程为006A，电压表量程为0 sketch template

用如图20所示的�轮组提升重物G已知每个动�轮重150N绳子所能承受的最大拉力为400N绳重和�擦均不计求 1若重物G为500N sketch template

如图所示AB、CD为长直导线BC为圆心在O点的一段圆弧形导线其半径为 R 若通以电流I 求O点的磁感应强度。百度教育 sketch template

用绳AC和BC吊起一重物处于静止状态如图所示． AC绳与竖直方�夹角37°BC绳与竖直方�夹角为53°g取10 M/s2sin37 sketch template

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