4．如图所示质量为m的物体在恒力f的作用下以一定的初速度竖直�上运动物体的加速度方��下空气阻力不计则物体的机械能 A．一定增加 b Sketch Coloring Page

4．如图所示质量为m的物体在恒力f的作用下以一定的初速度竖直�上运动物体的加速度方��下空气阻力不计则物体的机械能 A．一定增加 b Template

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anonymous

anonymous
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anonymous

anonymous
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anonymous

anonymous
sketch #3398 Sharingan by حيرتني بصمتها

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anonymous
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anonymous

anonymous
sketch #3133 Skrillex by Asfa Sajid

sketch #2593 Tweety by sketchmaster

sketchmaster
sketch #2593 Tweety by sketchmaster

sketch #2023 For variety our own good friends fully understand states; through hard knocks we all our own good friends. priceminister

anonymous

anonymous
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anonymous

anonymous
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sketchmaster
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anonymous

anonymous
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anonymous

anonymous
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anonymous

anonymous
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sketch #1289 peace within

anonymous

anonymous
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tomski4．如图所示质量为m的物体在恒力f的作用下以一定的初速度竖直�上运动物体的加速度方��下空气阻力不计则物体的机械能 a．一定增加 b coloring

如图所示，质量为的小球在水平面内做匀速圆�运动。若高途 sketch template

如图4 21所示质量为m的物体沿半径为R的圆轨道自A点�下�至B点时的速度为v已知物体与轨道间的动�擦因数为μ求物体在B点所受的�擦 sketch template

4．如图所示质量为m的物体在恒力F的作用下以一定的初速度竖直�上运动物体的加速度方��下空气阻力不计则物体的机械能 A．一定增加 B sketch template

4． 如图所示将质量为m的物体置于固定的光�斜面上斜面的倾角为θ水平恒力F作用在物体上物体处于静止状态则物体对斜面的压力大小可以表示 sketch template

如图所示质量为m的物体放在水平桌面上在与水平方�成θ角的拉力F作用下加速�前运动已知物体与桌面间的动�擦因数为μ则下列判断正确的是 sketch template

如图所示一个质量为m的物体放在倾角为θ的固定斜面上物体与斜面间的动�擦因数为μ．现对物体施一水平推力试分析设最大静�擦力等于�动�擦 sketch template

如图4所示质量为M的木块放在光�的水平面上质量为m的子弹以速度v0沿水平射中木块并最终留在木块中与木块一起以速度v运动已知当子弹相对 sketch template

如图4所示质量为m1的物体A经跨过定�轮的轻绳与质量为M的箱子B相连箱子底板上放一质量为m2的物体C．已知m1＜M不计定�轮的质量和�擦 sketch template

如图所示质量为M的物体在粗糙斜面上以加速度a1匀加速下�当把物体的质量增加m时加速度为a2当有一竖直�下且过重心的恒力F作用在物体上时 sketch template

如图所示质量为m的物体静止在倾角为θ的斜面上物体与斜面间的动�擦因数为μ．现在使斜面体�右水平匀速移动距离L则�擦力对物体做功为物体与 sketch template

如图所示质量为M倾角为θ的斜面体放于水平面上质量为m的物块放在斜面上它们之间的�擦力都忽略不计．要使物块相对斜面静止不动斜面体�左 sketch template

21．如图所示质量为m的物体在平行于斜面�上的力F作用下沿放在水平地面上的质量为M的粗糙斜面匀速下�此过程中斜面保持静止则地面对斜面 A sketch template

4．如右图所示质量为m的物体用细绳经过光�小孔牵引在光�水平面 上做匀速圆�运动拉力为某个值F时转动半径为R当拉力逐渐减小到F/4时 sketch template

如图，质量为m的质点在Oxy平面坐标系上以某一速度v 0运动时方�如图中箭头所示，受到大小不变、方�为 Y方�的合力作用，质点的速度先百度教育 sketch template

如图所示质量为m的物体在恒力F作用下沿水平地面做匀速直线运动物体与地面间动�擦因数为μ则物体受到的�擦力的大小为 A．Fsin θB sketch template

如图所示质量为m的物体在恒力F作用下沿水平地面做匀速直线运动物体与地面间动�擦因数为μ则物体受到的�擦力的大小为 A．Fsin θB 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用恒力F拉一个质量为m 的物体由静止开始在水平地面沿直线运动的位移为s力F与物体运动方�的夹角为α已知物体与地面的动�擦因数为 sketch template

如图所示质量为m的质点与三根相同的螺旋形轻弹簧相连．静止时弹簧c沿竖直方�相邻两弹簧间的夹角均为120°．已知弹簧ab对质点的作用力 sketch template

如图所示质量为m的物体在与竖直方�成θ角斜�上的推力F作用下沿竖直墙�上做匀加速直线运动若物体与墙间的动�擦因数为μ求物体的加速度 sketch template

如图所示质量为m的物体放在一固定斜面上当斜面倾角为θ=30°时恰能沿斜面匀速下�．重力加速度为g．1物体与斜面间的动�擦因数μ2 sketch template

如图所示质量为m的物体以某一初速度v0从A点�下沿光�的轨道运动不计空气 阻力半圆形轨道半径为R若物体通过最低点B的速度为求 � sketch template

如图所示质量为m的物体在恒力F作用下沿天花板做匀速直线运动物体与天花板间动�擦因数为μ则物体受到�镲力大小为 A．FsinθB sketch template

4． 如图所示将质量为m的物体置于固定的光�斜面上斜面的倾角为θ水平恒力F作用在物体上物体处于静止状态则物体对斜面的压力大小可以表示 sketch template

10．如图所示质量为m的物体A与倾角θ的斜面间的动�擦因数为μ力F拉着物体A从斜面底端匀速地运动到顶端要使F做功最小则F与斜面间的夹角 sketch template

如图甲所示质量为m = 05kg初速度v0= 10 m/s的物体受到一个与初速度v0方�相反的外力F作用沿粗糙的水平面�动物体与 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

3．如图所示质量为m的物体由静止开始从倾角分别为αβ的两个光�固定斜面上�下两斜面的高度均为h则下列叙述正确的是 A．物体�到 sketch template

如图所示质量为m的物体放在一固定斜面上当斜面倾角为θ=30°时恰能沿斜面匀速下�．重力加速度为g．1物体与斜面间的动�擦因数μ2 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

如图所示质量为m的物体静止在倾角为a的斜面上物体与斜面一起在水平面上匀速�左水平移动的距离为s．则斜面的支持力和�擦力对物体做的功为 sketch template

8．如图所示质量为m的物体A静止在地面上上表面带有弯钩一弹簧秤由弹簧带有挂钩的拉杆和带有提环的外壳组成可以认为弹簧秤的 总质量集中 sketch template

如图所示表示物体在恒力F的作用下在水平面上�生一段位移s设在这四种情况下力F的大小位移S的大小都相同则力F对物体做功相同的是 A．甲 sketch template

如图所示质量m的小物体从光�曲面上高度H处释放到达底端时水平进入轴心距离L的水平传送带已知物体与传送带间的动�擦因数为μ．求1求 sketch template

4．如右图所示质量为m的物体用细绳经过光�小孔牵引在光�水平面 上做匀速圆�运动拉力为某个值F时转动半径为R当拉力逐渐减小到F/4时 sketch template

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