为了将一重为2000n的物块送到高处，工人师傅用木板和�轮搭建了如图所示的装置。用大小为1000n的拉力f拉动绳端，物块在20s内从地面沿斜面 Sketch Coloring Page

为了将一重为2000n的物块送到高处，工人师傅用木板和�轮搭建了如图所示的装置。用大小为1000n的拉力f拉动绳端，物块在20s内从地面沿斜面 Template

Background image: Hide Show

View Larger Image Image Credit: shuajuanzi.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 #3589 Cheshire Cat by Helen Besley

anonymous

anonymous
sketch #3589 Cheshire Cat by Helen Besley

sketch #2836 Angry smurf maradona by BaGaz Anggara

BaGaz Anggara
sketch #2836 Angry smurf maradona by BaGaz Anggara

sketch #3484 Red Hot Chili Peppers by Nik Zulqarnain

anonymous

anonymous
sketch #3484 Red Hot Chili Peppers by Nik Zulqarnain

sketch #4971 Rhianna by Isaiah Fantisy Godlike

anonymous

anonymous
sketch #4971 Rhianna by Isaiah Fantisy Godlike

sketch #20215 Desert

anonymous

anonymous
sketch #20215 Desert

sketch #778

Benjo Arellano
sketch #778

sketch #3254 derp

anonymous

anonymous
sketch #3254 derp

sketch #3813

Emin AltınKöprü
sketch #3813

sketch #132

anonymous

anonymous
sketch #132

sketch #4688

anonymous

anonymous
sketch #4688

sketch #5201 Ponyta by WatasHi Satemura Oke

anonymous

anonymous
sketch #5201 Ponyta by WatasHi Satemura Oke

sketch #2337

anonymous

anonymous
sketch #2337

sketch #2197

anonymous

anonymous
sketch #2197

sketch #2536

anonymous

anonymous
sketch #2536

sketch #4916

anonymous

anonymous
sketch #4916

sketch #4301

Ainhoa White
sketch #4301

sketch #811

Laura Agapi Asnicar
sketch #811

sketch #2486 Face by sketchmaster

sketchmaster
sketch #2486 Face by sketchmaster

sketch #5055

anonymous

anonymous
sketch #5055

sketch #5349

anonymous

anonymous
sketch #5349

sketch #5435

anonymous

anonymous
sketch #5435

sketch #5315

anonymous

anonymous
sketch #5315

sketch #5257

anonymous

anonymous
sketch #5257

sketch #5116 Bleach by Vrushali Rane

anonymous

anonymous
sketch #5116 Bleach by Vrushali Rane

sketch #970 Depression

anonymous

anonymous
sketch #970 Depression

sketch #3469

anonymous

anonymous
sketch #3469

sketch #1439

Donara Smbatyan
sketch #1439

sketch #5141

anonymous

anonymous
sketch #5141

sketch #674

Rachel Roe
sketch #674

sketch #286 sun

anonymous

anonymous
sketch #286 sun

tomski为了将一重为2000n的物块送到高处，工人师傅用木板和�轮搭建了如图所示的装置。用大小为1000n的拉力f拉动绳端，物块在20s内从地面沿斜面 coloring

为了将一重为2000N的物块送到高处，工人师傅用木板和�轮搭建了如图所示的装置。用大小为1000N的拉力F拉动绳端，物块在20s内从地面沿斜面 sketch template

一块截面积为矩形ABCD的均匀�属块重2000N它的长宽之比为43将它置于水平地面上如图所示若在A点用力F抬起�属块的一端则力F至� sketch template

如图所示物重G为2000N斜面长为5m高3m斜面和�轮组装置的总机械效率为80﹪若将重物沿斜面以02m/s的速度拉上来求 1 sketch template

如图所示，车间内的天车（有的地区叫行车）将一重为104N的物 大学搜题酱 sketch template

如图所示物体重2000N当它沿水平地面匀速运动时所受的阻力为240N若不计�轮的重绳重与�擦使物体以1m/s的速度匀速前进经过 sketch template

如图所示斜面长5m高1m工人用沿斜面方�500N的力把重2000N集装箱匀速推到车上推力对集装箱做的功是2500J斜面的机械效率是 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

如图是工厂车间里用来吊运物体的天车及其�轮组示意图钢丝绳用2000N的力将重为6000N的物体匀速吊起．若在1min内货物从地面被提升到 sketch template

建�工地上施工人�用起重机吊起建�材料如图所示每件材料重均为3000N施工台距离地面的高度h为3m．起重机沿竖直方�匀速提升一件材料时 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

题目在一次施工中体重为600N的搬运工人用如图所示的�轮组在10s内将一个重150N的物体匀速提升4m所用的拉力为60N不计绳重及 sketch template

如图工人要将一块重900N的建材运到10m高处装置中每个�轮重100N建材上升的速度是08m/s．在施工过程中下列说法正确的是 sketch template

24．如图7所示物体挂在弹簧测力计下用力的示意图表示出物体所受拉力的三要素——青夏教育精英家教�—— sketch template

如图所示一重为750N密度为5×103kg/m3的�属块A沉在水中的斜面上在沿斜面�上的拉力F作用下物块A以02m/s的速度沿斜面 sketch template

用手将一重为5N的物体全部压入水中物体排开的水重8N此时物体受到的浮力为 N放手后物体将 选填 “上浮 “下沉或“悬浮待物体 sketch template

如图甲水平地面上有一底面积为400cm2重为2N的圆柱形容器容器重和容器壁厚度不计容器内盛有20cm深的水一个量程选择合适的弹簧测 sketch template

工人师傅利用如图所示的�轮组将重为800N的货物匀速提升 08m所用拉力F为320N则工人做的有用功是640640J此�轮组的机械效率 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

有一重力为10N的物体在水平桌面上受到1N的水平拉力作匀速直线运动则物体受到的�动�擦力大小为 N要使该物体竖直�上作匀速直线运动则所 sketch template

用细绳AC和BC吊起一重物两绳与竖直方�的夹角如图所示AC能承受的最大拉力为150NBC能承受的最大拉力为100N．1若挂一50N的 sketch template

如图所示一重为750N密度为5×103kg/m3的�属块A沉在水中的斜面上在沿斜面�上的拉力F作用下物块A以02m/s的速度沿斜面 sketch template

物体以某一初速度v0沿斜面上�物体运动的v T图象如图3其中不可能的是 V VvVV VV 0 T ——青夏教育精英家教�—— sketch template

5．一物块放在水平地面上如图所示物块对地面的压力F和地面对物块的支持力F’属于一对作用力和反作用力关于F和F’下列说法正确的是 A．F和F sketch template

图甲是边长为a用均匀材料制成的正方体物块它漂浮时露出液面的高度为h．液体密度为ρ把它从液体中拿出并擦干后放在水平地面上如图乙所示．则 sketch template

AB是一条平直公路边上的两块路牌一只小鸟和一辆小车同时分别由AB两路牌相�运动小鸟飞到小车正上方立即以同样大小的速度折返飞回A并停留在 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

题目有一道选择题是这样的质量为m的物块带正电Q开始时让它静止在倾角的固定光�绝缘斜面的顶端整个装置放在水平方�大小为的匀强电场中如 sketch template

1作出下图中不倒翁的受力示意图．2如图所示重为100N的物块静止在水平地面上．现用50N的水平推力�右推物块画出物块所受重力G和 sketch template

如图甲所示用弹簧秤将重为39N的物块从斜面的底端匀速拉至顶端则物块所受拉力为26N已知斜面的高为4m长为8m斜面的机械效率为75 sketch template

如图所示位于斜面上的物块m在沿斜面�上的力F的作用下处于静止状态则斜面作用于物块的静�擦力的 A．方�可能沿斜面�上 B．方�可能沿斜 sketch template

在房屋建�的施工工地工人常常使用一种电动卷扬机将建�材料和工具提升送到各个楼层．如图所示是某建�工地所使用的卷扬机的整个传动装置示意图 sketch template

如图 15所示一搬运工人往卡车上装货1若工人将重为800N的货物从地面直接搬到高为1 5m的车箱上此过程中工人对货物做了多�功 sketch template

$如图所示在容器底部固定有一轻质弹簧弹簧上端连有一边长为01m的正方体A当容器中水的深度为20cm时物体A有$frac{2}{5 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

free web stats