7．如图所示用两根绳子oa和ob系住以重物绳oa的一端固定于a点手拉绳ob使ob由水平位置逐渐转�方�同时保持oa与天花板夹角θ不变 Sketch Coloring Page

7．如图所示用两根绳子oa和ob系住以重物绳oa的一端固定于a点手拉绳ob使ob由水平位置逐渐转�方�同时保持oa与天花板夹角θ不变 Template

Background image: Hide Show

View Larger Image Image Credit: 1010jiajiao.com

please wait, the page is loading...

More Sketches

Take a peek at some of the sketches created by our users, are you a sketchite?

sketch #3707 The Thinker

anonymous

anonymous
sketch #3707 The Thinker

sketch #3359 &#;In love and lonely&#; by Irul Ventura

anonymous

anonymous
sketch #3359 &#;In love and lonely&#; by Irul Ventura

sketch #4287 eye

anonymous

anonymous
sketch #4287 eye

sketch #3538

anonymous

anonymous
sketch #3538

sketch #3208 ELETR by Raimundo Santos

anonymous

anonymous
sketch #3208 ELETR by Raimundo Santos

sketch #5141

anonymous

anonymous
sketch #5141

sketch #2453 Koi Fish

anonymous

anonymous
sketch #2453 Koi Fish

sketch #4821 Johnny M. by Z Ionut Ady

anonymous

anonymous
sketch #4821 Johnny M. by Z Ionut Ady

sketch #3892

Rachel Christa Ibarrientos
sketch #3892

sketch #5084 Harry Potter by Enrique L. Manly

anonymous

anonymous
sketch #5084 Harry Potter by Enrique L. Manly

sketch #1168

anonymous

anonymous
sketch #1168

sketch #4834 Aayla Secura by Nînâ Yämâhä

anonymous

anonymous
sketch #4834 Aayla Secura by Nînâ Yämâhä

sketch #4895 Cat by Gaurav Patel

anonymous

anonymous
sketch #4895 Cat by Gaurav Patel

sketch #1453

anonymous

anonymous
sketch #1453

sketch #2777 Ralph & Vanellope by Alexander Volodimirovich Danilchenko

Alexander Volodimirovich Danilchenko
sketch #2777 Ralph & Vanellope by Alexander Volodimirovich Danilchenko

sketch #1519

anonymous

anonymous
sketch #1519

sketch #3250 Lonely cat Lars Tunebo

anonymous

anonymous
sketch #3250 Lonely cat Lars Tunebo

sketch #4221 Moi.

anonymous

anonymous
sketch #4221 Moi.

sketch #4883 White tiger by Kayson Danielle

anonymous

anonymous
sketch #4883 White tiger by Kayson Danielle

sketch #5150 Regina from Dino Crisis by Hsien-Ying Hsieh

anonymous

anonymous
sketch #5150 Regina from Dino Crisis by Hsien-Ying Hsieh

sketch #3680 Infected Mushroom by Rohit Rahul

anonymous

anonymous
sketch #3680 Infected Mushroom by Rohit Rahul

sketch #4987

anonymous

anonymous
sketch #4987

sketch #5185

anonymous

anonymous
sketch #5185

sketch #5059 Edward Hopper&#;s &#;Nighthawks&#; by Rosanne Zammit

anonymous

anonymous
sketch #5059 Edward Hopper&#;s &#;Nighthawks&#; by Rosanne Zammit

sketch #3974 Bird Skerch w/ vibration

anonymous

anonymous
sketch #3974 Bird Skerch w/ vibration

sketch #20690

anonymous

anonymous
sketch #20690

sketch #5160 Marilyn Monroe by Muhammet Karadoğan

anonymous

anonymous
sketch #5160 Marilyn Monroe by Muhammet Karadoğan

sketch #5199 Catface by Noeli Racioppo

anonymous

anonymous
sketch #5199 Catface by Noeli Racioppo

sketch #3191

anonymous

anonymous
sketch #3191

sketch #4698

anonymous

anonymous
sketch #4698

tomski7．如图所示用两根绳子oa和ob系住以重物绳oa的一端固定于a点手拉绳ob使ob由水平位置逐渐转�方�同时保持oa与天花板夹角θ不变 coloring

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

6．如图所示一根粗细不均匀的木材用两根轻绳悬挂在天花板上下列判断正确的是 A 木材的重心位置在AB的中点 B 绳OA受到的拉力 sketch template

如图甲所示装置中OAOB是两根轻绳AB是轻杆它们构成一个正三角形在AB两处分别固定质量均为的小球此装置悬挂在O点开始时装置自然 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

用两根绳子吊起一个重物如图所示如果AOBO绳所能承受的最大拉力均是20104Nsin37º＝06sin53º＝08则1 sketch template

用两根绳子AC和BC吊起一重物两绳与水平方�的夹角如图所示已知G＝200N则 1重力沿AC方�的分力为 N2重力沿BC方�的 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AB两点在同一水平面上轻绳OAOB与水平方�的夹角分别为37°和53°若轻绳OA和OB所能承受的最大拉力分别为120N和 sketch template

如图甲所示装置中OAOB是两根轻绳AB是轻杆它们构成一个正三角形在AB两处分别固定质量均为的小球此装置悬挂在O点开始时装置自然 sketch template

用两根绳子系住一重物如图所示绳OA与天花板间的夹角 不变当用手拉绳子OB使OB由水平转�竖直的过程中 OB绳所受的拉力将 A．始终 sketch template

如图所示用两根不可伸长的轻绳连接两根质量均为m的小球AB细绳的一端悬挂于O点在外力F作用下小球AB处于静止状态已知细绳OA与竖直 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

7．如图所示用两根绳子OA和OB系住以重物绳OA的一端固定于A点手拉绳OB使OB由水平位置逐渐转�方�同时保持OA与天花板夹角θ不变 sketch template

用两根绳子吊起一个重物如图10所示如果每根绳所能承受的最大拉力是20104Nsin37＝06sin53＝08求 1吊 sketch template

用两根绳子吊起一个重物如图10所示如果每根绳所能承受的最大拉力是20104Nsin37＝06sin53＝08求 1吊 sketch template

如图所示完全相同的质量为m的AB两球用两根等长的细线悬挂在O点两球之间夹着一根劲度系数为k的轻弹簧静止不动时弹簧处于水平方�两根 sketch template

百度教育 sketch template

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有三段轻绳OAOBOCOA=OB∠AOB=90°且AB端都固定在水平天花板上轻绳OC的C端连接一重物处于静止状态．现将 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

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

力的三角形法则的应用知乎 sketch template

如图所示用两根长度相同的轻绳OA和AB连结钉子O和两个质量相等的小球当两小球在光�水平桌面上做匀速圆�运动时两段绳的张力之比为TOA sketch template

如图所示物体A置于水平面上物A前固定有动�轮BD为定�轮．一根轻绳绕过DB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用两根同样长的细绳把两个带同种电荷的小球悬挂在同一点．两球的质量分别为mAmBA球和B球所带的电荷量分别为qAqB．两球静止时 sketch template

如图所示将一根不可伸长柔软的轻绳两端分别系于AB两点一物体用动�轮悬挂在绳子上达到平衡时两段绳子间夹角为θ1绳子张力为F1将 sketch template

百度教育 sketch template

百度教育 sketch template

如图所示用两根细线把AB两小球悬挂在天花板上的同一点O并用第三根细线连接AB两小球然后用力F作用在小球A上使三根细线均处于直线状态 sketch template

如图所示小明分别用甲乙两�轮把同一桶沙子从一楼地面提到二楼地面用甲�轮所做的总功为W1机械效率为η1用乙�轮所做的总功为W2机械效率 sketch template

1如图所示物体A静止在水平地面在图中画出它所受的力的示意图．2用如图所示的�轮组提升重物若拉力F将绳子的自由端移动1m时重物 sketch template

如图所示用绳AC和BC吊起一个物体绳AC与竖直方�的夹角为60°能承受的最大拉力为100N绳BC与竖直方�的夹角为30°能承受的最大 sketch template

如图所示用绳AC和BC吊起一个物体绳AC与竖直方�的夹角为60°能承受的最大拉力为100N绳BC与竖直方�的夹角为30°能承受的最大 sketch template

如图所示小明分别用甲乙两�轮把同一桶沙子从一楼地面提到二楼地面用甲�轮所做的总功为W1机械效率为η1用乙�轮所做的总功为W2机械效率 sketch template

如图所示，用轻绳将两根通电直导线悬挂在天花板上的点 高途 sketch template

free web stats