用一水平力f拉静止在水平面上的物体在f从0开始逐渐增大的过程中加速度a随外力f变化的图象如图所示g=10ms2则可以计算出 A Sketch Coloring Page

用一水平力f拉静止在水平面上的物体在f从0开始逐渐增大的过程中加速度a随外力f变化的图象如图所示g=10ms2则可以计算出 A Template

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tomski用一水平力f拉静止在水平面上的物体在f从0开始逐渐增大的过程中加速度a随外力f变化的图象如图所示g=10ms2则可以计算出 a coloring

如图a所示物体原来静止在水平面上用一水平力F拉物体在F从0开始逐渐增大的过程中物体先静止后又做变加速运动其加速度a随外力F变化的 sketch template

用一水平力F拉静止在水平面上的物体在F从0开始逐渐增大的过程中加速度a随外力F变化的图象如图所示g=10m/s2则可以计算出 A sketch template

光�水平地面上叠放着两个物体A和B如图7所示．水平拉力F作用在物体B上使AB两物体从静止出�一起运动．经过时间t撤去拉力F再经过时间 sketch template

如图甲所示用一水平力F拉着一个静止在倾角为q的光�斜面上的物体逐渐增大F物体做变加速运动其加速度a随外力F变化的图像如图乙所示根据图 sketch template

如图a所示用一水平力F拉着一个静止在倾角为θ的光�斜面上的物体逐渐增大F物体做变加速运动其加速度a随外力F变化的图象如图b所示根据图 sketch template

如图甲所示用一水平力F拉着一个静止在倾角为q的光�斜面上的物体逐渐增大F物体做变加速运动其加速度a随外力F变化的图像如图乙所示根据图 sketch template

6．如图2所示水平地面上的物体A在斜�上的拉力F作用下�右作匀速直线运动则 A．物体A可能不受地面支持力的作用 B．物体A可能受到三个 sketch template

如图所示图1中一个物体连接一个轻弹簧在水平恒力F的作用下当水平地面光�物体匀加速运动时弹簧的长度为l1当水平地面粗糙物体正好做匀速 sketch template

7．如图甲所示用 水平外力F拉着一个静止在倾角为的光�斜面上的物体逐渐增大F物体做变加速运动其加速度随外力F变化的图像如图乙所示重力 sketch template

如图所示用一水平力F=30N将重20N的木块压在竖直墙壁上使其静止在竖直墙壁上画出木块受到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一物体在水平力F1作用下在水平面上以速度v1匀速运动了位移xF1做的功为W1功率为P．若物体在斜�上的力F2作用下以速度v2 sketch template

如图所示重为80N的物体在大小为20N方�水平�右的拉力F1作用下在水平面上以2m/s速度做匀速直线运动．当撤去拉力F1物体静止后 sketch template

如图9所示在50N的水平拉力F作用下重800N的物体沿水平地面做匀速直线运动 物体与地面间�动�擦力为120N则�轮组的机械效率为 sketch template

如图所示在与水平地面成θ角的拉力F作用下质量为m的物块沿地面�右做匀速直线运动 1试求物体与地面间的�动�擦因数 2若把此力F sketch template

某物体放在粗糙的水平面上初速为零第一次用力F推第二次用力F拉如图所示两次角力大小和物体位移都相同那么 A力F对物体做功相等 sketch template

如图 5 所示甲乙两物体叠放在水平面上用水平力 F 拉物体乙它们仍保持静止状态甲乙间接触面也为水平则乙物体受力的个数为个 图 sketch template

水平地面上的物体在水平方�受到一个拉力F和地面对它的�擦力f的作用在物体处于静止状态的条件下下面各说法中正确的是 A当F增大时f也随之 sketch template

如图所示．在倾角为θ的斜面上质量为m的物体在水平力F作用下处于静止状态．1斜面对物块的正压力2地面对斜面的�擦力．题目和参考答案 sketch template

如图一质量为5kg的�块在F=15N的水平拉力作用下由静止开始做匀加速直线运动若�块与水平地面间的动�擦因数为02g取10m/s2 sketch template

如图所示叠放在一起的物体A和B在大小为F的恒力作用下沿水平面做匀速直线运动则下列结论中正确的是 A．甲乙两图中A物体所受的�擦力大小均 sketch template

如图所示水平地面上的物体A在斜�上的拉力F的作用下�右做匀速直线运动则关于下列物体受力情况的说法中正确的是 A．物体A可能只受到二个 sketch template

如图所示放在水平面上的物体受到一个水平�右的拉力F作用而处于静止状态下列说法中正确的是 A．物体对水平面的压力就是物体的重力 B．拉力F和 sketch template

以力F拉一物体使其以加速度a在水平面上做匀加速直线运动力F的水平分量为F1如图所示若以和F1大小方�都相同的力F¢代替F拉物体使 sketch template

质量为m的木块在平行斜面�上的拉力F作用下沿倾角θ的粗糙斜面上�行L距离物体所受各力做功为零的是 A．重力G B．支持力N C．�擦力f sketch template

如图所示用一水平力F将一重20N的物体匀速推上高为1m斜面长为2m的光�斜面则力F对物体做的功为 A．20JB．80J C sketch template

如图1所示两个互相垂直的力F1与F2作用在同一物体上使物体通过一段位移的过程中力F1对物体做功4J力F2对物体做功3J则力F1与F2 sketch template

15．如图所示物体A叠放在物体B上在拉力F的作用下物体A和B一起沿着水平地面作匀速直线运动下列关于物体A受力的示意图正确的是 A．B sketch template

�动�擦力F＝ {与物体相对运动方� μ�擦因数FN正压力N}——青夏教育精英家教�—— sketch template

17．如图所示叠放在一起的AB两物体在水平力F的 作用下沿水平面以某一速度匀速运动现突然将作 用在B上的力F改为作用在A上并保持大小 sketch template

如图所示物体P放在粗糙水平面上左边用一根轻弹簧与竖直墙相连物体静止时弹簧的长度小于原长若再用一个从0开始逐渐增大的水平力F�右拉P sketch template

如图所示AB两矩形物体叠放在粗糙水平面上若用水平力F拉B物体它们仍然保持静止状态则B物体受到的力的个数是．若用水平力F拉A物体 sketch template

用一水平力F将重为G的木块压在竖直而粗糙的墙上A．重力G和水平力F平衡B．重力G和水平力F及静�擦力相平衡C．重力G和静�擦力相平衡D．重力G sketch template

用大小为10N的水平力F将一木块压在竖直墙壁上保持静止若木块重为6N则木块受到的�擦力大小为 A．4NB．6NC．10ND．16N sketch template

1静止的物体1下图1中，物体A静止在水平地面上 图2中，物体B静止在斜面上 图3中，物体C被压在竖直墙壁上而处于静止 sketch template

试卷预览：第三章相互作用与力的平衡 sketch template

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