如图1所示b端悬挂一重为g的重物不计杠杆自重在a点施加动力f使杠杆保持水平平衡则下列说法正确的是 A．因为oa大于ob所以f Sketch Coloring Page

如图1所示b端悬挂一重为g的重物不计杠杆自重在a点施加动力f使杠杆保持水平平衡则下列说法正确的是 A．因为oa大于ob所以f 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 #4209 bushy

anonymous

anonymous
sketch #4209 bushy

sketch #1116

Joselynn Ann Gossette
sketch #1116

sketch #4649

anonymous

anonymous
sketch #4649

sketch #3088 Billy from Saw by Naulian Ciko

anonymous

anonymous
sketch #3088 Billy from Saw by Naulian Ciko

sketch #3562 Angry by Leon Soria Ricardo

anonymous

anonymous
sketch #3562 Angry by Leon Soria Ricardo

sketch #3701 amazing Skull

anonymous

anonymous
sketch #3701 amazing Skull

sketch #4086 2lips

anonymous

anonymous
sketch #4086 2lips

sketch #3547 Lady in red Toky Niaina Randrianarisoa

anonymous

anonymous
sketch #3547 Lady in red Toky Niaina Randrianarisoa

sketch #3639

anonymous

anonymous
sketch #3639

sketch #2877 Elvis by Karoline Castillo

anonymous

anonymous
sketch #2877 Elvis by Karoline Castillo

sketch #2072

anonymous

anonymous
sketch #2072

sketch #4151

anonymous

anonymous
sketch #4151

sketch #4436 Bob Marley by Luiza Irma

anonymous

anonymous
sketch #4436 Bob Marley by Luiza Irma

sketch #4269 dragón

Ainhoa White
sketch #4269 dragón

sketch #83

Chris Shrimp Lonsdale
sketch #83

sketch #2678 Portrait by Jocelyn Alejandra Rantul

Jocelyn Alejandra Rantul
sketch #2678 Portrait by Jocelyn Alejandra Rantul

sketch #5102 Old Man by Cuong Pham

anonymous

anonymous
sketch #5102 Old Man by Cuong Pham

sketch #1490 James Joyce....

anonymous

anonymous
sketch #1490 James Joyce....

sketch #3014 Fancy

James Forest
sketch #3014 Fancy "S "

sketch #4933 Tobi by Abdelwahab Haik

anonymous

anonymous
sketch #4933 Tobi by Abdelwahab Haik

sketch #1953 愛鼠繪

anonymous

anonymous
sketch #1953 愛鼠繪

sketch #1253

anonymous

anonymous
sketch #1253

sketch #3742 Homer by Koes Maung

anonymous

anonymous
sketch #3742 Homer by Koes Maung

sketch #21085 Tobirama by Enrique L. Manly

anonymous

anonymous
sketch #21085 Tobirama by Enrique L. Manly

sketch #3479

anonymous

anonymous
sketch #3479

sketch #5122

anonymous

anonymous
sketch #5122

sketch #4855

anonymous

anonymous
sketch #4855

sketch #3489 Panda by Scott Terry

anonymous

anonymous
sketch #3489 Panda by Scott Terry

sketch #4902

anonymous

anonymous
sketch #4902

sketch #3871

anonymous

anonymous
sketch #3871

tomski如图1所示b端悬挂一重为g的重物不计杠杆自重在a点施加动力f使杠杆保持水平平衡则下列说法正确的是 a．因为oa大于ob所以f coloring

如图1所示B端悬挂一重为G的重物不计杠杆自重在A点施加动力F使杠杆保持水平平衡则下列说法正确的是 A．因为OA大于OB所以F sketch template

如图所示在轻质杆OB的中点A处悬挂有重为G的物体M在端点B施加方�始终跟杆垂直的拉力F杆从虚线位置沿逆时针方�匀速转至图示位置的过程中 sketch template

如图所示在轻质杆OB的中点A处悬挂有重为G的物体M在端点B施加方�始终跟杆垂直的拉力F杆从虚线位置沿逆时针方�匀速转至图示位置的过程中 sketch template

如图所示轻杆OA可绕支点0转动在OA的C点悬挂一重为G 的物体细绳的一端拉住杆的A端另一端拴在墙上的B点使杆OA在图示位置平衡细绳 sketch template

如图所示一轻弹簧上端固定在天花板上下端悬挂一个质量为m的木块木块处于静止状态．测得此时弹簧的伸长量为弹簧的形变在弹性限度内．重力 sketch template

如图所示，用三根轻绳将质量为m的物块悬挂在空中。已知ac和bc与竖直方�的夹角分别为30°和60°，重力加速度为g。请选择合适的研究对象，画出 sketch template

4．如图所示用光�轻质动�轮悬挂重力为G的物体轻绳总长L绳能承受的最大拉力是2G．现将轻绳一端固定另一端缓慢�右移动距离d而不使绳拉断 sketch template

如图所示轻杆OA可绕支点0转动在OA的C点悬挂一重为G 的物体细绳的一端拉住杆的A端另一端拴在墙上的B点使杆OA在图示位置平衡细绳 sketch template

力的合成中两类最小值问题知乎 sketch template

17．如图所示轻质杠杆OA中点悬挂一重G=60N的物体在A端施加一竖直�上的力F杠杆在水平位置平衡则F= 保持F的方�不变将杠杆从 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1所示轻杆的一端A用铰链与竖直墙连接它的另一端B用绳子连接到墙的C点使轻杆保持水平绳与轻杆的夹角为30°在B端悬挂重为G的物体 sketch template

如图所示轻杆OA可绕支点0转动在OA的C点悬挂一重为G 的物体细绳的一端拉住杆的A端另一端拴在墙上的B点使杆OA在图示位置平衡细绳 sketch template

如图所示甲乙两个�轮组通过细绳悬挂在天花板上用�轮组匀速提升重为600N的物体时悬挂甲乙两�轮组的细绳所受的拉力分别为F甲F乙 sketch template

如图所示有一根一端粗一端细的木棒在如图的位置悬挂起来恰好处于水平位置若把木棒从绳子悬挂处锯开则被据开的木棒 A粗细两端一样重 sketch template

如图所示�轮重1N悬挂在弹簧秤下端作用在绳端的拉力F是2N物体G重100N则弹簧测力计的示数是 N．题目和参考答案——青夏教育精英 sketch template

如图所示杠杆AOB用细线悬挂起来当A端挂重物G1B端挂重物G2时杠杆平衡此时OA恰好处于水平位置AO=BO杠杆重力不计则 sketch template

力的三角形法则的应用知乎 sketch template

如图所示表示三种不同的�轮组，用它们提起重为G的相同重物，在A端所用的拉力分别为F 1 = ；F 2 3 sketch template

19．如图所示一轻质三角形框架的B处悬挂一个定�轮一体重为500牛的人通过跨定�传输线的轻绳匀速提起一重为300牛的物体 1此时人对 sketch template

力的三角形法则的应用知乎 sketch template

如图所示杆BC的B端用铰链接于竖直墙上另一端C为一定�轮．重物G系一绳经过�轮固定于墙上的A点杆恰好平衡．若将绳的A端沿墙�上移再使之 sketch template

一轮复习：动态平衡问题解题技巧知乎 sketch template

在“探究杠杆的平衡条件 的实验中1若在实验前出现如图1所示的情况应将杠杆左端的螺母� 调节直至杠杆在水平位置平衡这样做的目的是便于 sketch template

百度教育 sketch template

1．如图所示轻绳上端固定在天花板上的O点下端悬挂 一个重为10N的物体AB是固定的表面光�的圆柱体当A静止时轻绳与天花板的夹角为 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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

如图所示为某举重运动�在05 S内由支�到起立将杠铃举起过程中拍�的两张照片杠铃的质量为100 Kg则杠铃重力为 N．已知照片中杠铃的 sketch template

1如图1所示使用羊角锤拔钉子动力作用在锤柄上A点．请作出拔钉子时所用最小动力F的示意图．2如图2所示F1是作用在抽水机手柄A点处 sketch template

如图所示杠杆OA 的B 点挂着一重物A 端用绳子吊在�环M 下此时OA 恰好成水平且A 点与圆弧架PQ 的圆心重合那么当�环M从P sketch template

如图所示一根木棒AB在O点被悬挂起来已知AO=OC在AC两点分别挂有2个和3个质量相等的砝码木棒处于平衡状态．现在木棒的AC点各 sketch template

一轮复习：动态平衡问题解题技巧知乎 sketch template

百度教育 sketch template

小强在探究“杠杆的平衡条件时如图1所示下面是他所设计的探究“杠杆平衡条件 的步骤�把杠杆的中点支在支架上�把钩码挂在杠杆两边改变钩 sketch template

free web stats