如图所示建�工人用�轮提升重320牛的泥袋�轮重20牛不计�擦与绳重在拉力的作用下物体以01米秒的速度匀速上升则建�工人的拉力 Sketch Coloring Page

如图所示建�工人用�轮提升重320牛的泥袋�轮重20牛不计�擦与绳重在拉力的作用下物体以01米秒的速度匀速上升则建�工人的拉力 Template

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

sketch #5231

anonymous

anonymous
sketch #5231

sketch #1732

anonymous

anonymous
sketch #1732

sketch #5062

anonymous

anonymous
sketch #5062

sketch #5215

anonymous

anonymous
sketch #5215

sketch #3554 Dr. House by Carrieann Benthem

anonymous

anonymous
sketch #3554 Dr. House by Carrieann Benthem

sketch #3330

Matt King
sketch #3330

sketch #2582

anonymous

anonymous
sketch #2582

sketch #4306 The burning watermelon!

anonymous

anonymous
sketch #4306 The burning watermelon!

sketch #2431 face :D

anonymous

anonymous
sketch #2431 face :D

sketch #68509

anonymous

anonymous
sketch #68509

sketch #2055 Flower

Raisa Mahmud
sketch #2055 Flower

sketch #3296

anonymous

anonymous
sketch #3296

sketch #5236 Edward Scissorhands by Ronin Ronin

anonymous

anonymous
sketch #5236 Edward Scissorhands by Ronin Ronin

sketch #3425 &#;Tonari no Kaibutsu-kun&#; by Betty Marie Melzer

anonymous

anonymous
sketch #3425 &#;Tonari no Kaibutsu-kun&#; by Betty Marie Melzer

sketch #3939

anonymous

anonymous
sketch #3939

sketch #3538

anonymous

anonymous
sketch #3538

sketch #5289

anonymous

anonymous
sketch #5289

sketch #3517 Scratch from Ice Age by VlAd Craciun

anonymous

anonymous
sketch #3517 Scratch from Ice Age by VlAd Craciun

sketch #5115

anonymous

anonymous
sketch #5115

sketch #20344

anonymous

anonymous
sketch #20344

sketch #3581 Dante

anonymous

anonymous
sketch #3581 Dante

sketch #378 Guess what flag?
ɔılqndǝɹ ɥɔǝzϽ

anonymous

anonymous
sketch #378 Guess what flag? ɔılqndǝɹ ɥɔǝzϽ

sketch #5013 Pursuing Dreams by Mário JBudo

anonymous

anonymous
sketch #5013 Pursuing Dreams by Mário JBudo

sketch #3814

Emin AltınKöprü
sketch #3814

sketch #5163

anonymous

anonymous
sketch #5163

sketch #125

Chris Shrimp Lonsdale
sketch #125

sketch #4273

anonymous

anonymous
sketch #4273

sketch #3974 Bird Skerch w/ vibration

anonymous

anonymous
sketch #3974 Bird Skerch w/ vibration

sketch #3562 Angry by Leon Soria Ricardo

anonymous

anonymous
sketch #3562 Angry by Leon Soria Ricardo

sketch #2308

anonymous

anonymous
sketch #2308

tomski如图所示建�工人用�轮提升重320牛的泥袋�轮重20牛不计�擦与绳重在拉力的作用下物体以01米秒的速度匀速上升则建�工人的拉力 coloring

如图所示一工人用�轮组提升重500N的物体所用的拉力F为200N物体以02m/s的速度匀速上升了10s求1物体上升的高度 2 sketch template

题目往车上装重物时常常用长木板搭个斜面把重物沿斜面推上去如图所示工人用3m长的斜面把120kg的重物提高1m假设斜面很光�则 sketch template

如图所示建�工人用�轮组提升重为240N的泥桶不计�轮重及�擦．若工人在5s内将绳子匀速�上拉6m则泥桶上升 M手拉绳子的力为 N sketch template

42．建�工地上工人用独轮车运送石块如图所示石块与独轮车的总重为600 N．重心在A点则工人两手对车所施加�上的力F是 N要想使F更小 sketch template

题目工人用如图所示的�轮组匀速打捞沉在水中体积是3×10﹣2m3的铝块．在匀速打捞过程中被打捞的铝块露出水面前与完全出水后工人对绳的拉力 sketch template

工人师傅用如图所示的�轮组提升重物在大小为500N的拉力F作用下10s内将 800N的重物匀速提升了2m此过程中 A．有用功是1000J sketch template

如图所示工人用�轮组提升重240N的物体所用的拉力为150N物体在2s内匀速上升1m．求1有用功2�轮组的机械效率3 sketch template

如图所示建�工人用�轮组匀速提升重物已知加在绳子自由端的拉力为400N物体上升的速度为01m/s�轮组的机械效率为90%不计绳重和 sketch template

31．如图所示工人师傅用一个�轮组在5s内将重450N的木箱从地面匀速吊上1m高所用的拉力为200N不计绳重和�擦．g取10N/㎏．求 sketch template

如图所示是建�工人利用�轮组从竖直深井中提取泥土的情形．某次操作中工人用400N的拉力F在1min内将总重为900N的泥土匀速提升5m．在 sketch template

工人利用如图所示的�轮组将重900N的物体竖直�上匀速提升 05m工人对绳的拉力为600N则�轮组对重物所做的有用功W有用 sketch template

如图所示工人利用�轮组用300N的力将重480N的木箱�上匀速提升了1m用时10s则工人做功的功率是6060W该�轮组的机械效率η sketch template

工人用如图所示�轮组将矿井中的物体A 和物体B 先后匀速提升上来动�轮重50N 物体A 所受重力之比为2 1 提升物体A 时 sketch template

如图所示建�工人用�轮组提升重为180N的泥桶不计�轮与轴之间的�擦及绳重若工人在5s内将泥桶匀速提高了2m�轮组的机械效率为80% sketch template

如图1所示 建�工人用�轮组提升重为285N的水泥桶动�轮重为15N 不计�轮与轴之间的�擦及绳重 工人在将水出卷� sketch template

31．如图所示工人用定�轮匀速提升重为180 N的物体所用的拉力为200 N在5s内物体升高的高度为2 M．此过程中求 1有 sketch template

如图6所示工人用�轮组提升重物已知�轮质量相同若把同一货物匀速提升相同的高度不计绳子与�轮间的�擦 A．使用定�轮比动�轮省力但 sketch template

如图所示建�工人用�轮组提升重为200N的泥桶动�轮重为40N不计�擦及绳重．若工人在5s内将绳子匀速�上拉6m则手拉绳子的力为80N sketch template

如图所示工人用小车沿斜面把质量m=100kg的物品运送到高处．已知斜面长L=3m斜面高h=15m工人沿斜面推车的推力F=600N用时 sketch template

31．如图所示工人用定�轮匀速提升重为180 N的物体所用的拉力为200 N在5s内物体升高的高度为2 M．此过程中求 1有 sketch template

如图所示�路工人用撬棒撬石头O为撬棒的支点请画出作用在撬棒上动力F的力臂．题目和参考答案——青夏教育精英家教�—— sketch template

如图所示的是工人用铁棒撬石头的示意图请在图中画出动力臂L1阻力F2阻力臂L2——青夏教育精英家教�—— sketch template

如图所示工人用动�轮把重物匀速提升到一定高度重物的重力为G物动�轮的重力为G动此装置的机械效率为η不计绳重和�擦则工人所用的拉力 sketch template

31．如图所示工人师傅用一个�轮组在5s内将重450N的木箱从地面匀速吊上1m高所用的拉力为200N不计绳重和�擦．g取10N/㎏．求 sketch template

如图所示工人师傅用�轮提升重物图中�轮质量相同不计绳重及�轮轴�擦若把同一货物匀速提升相同的高度下列说法正确的是 A．使用定�轮 sketch template

如图所示建�工人用�轮组提升重为240 N的泥桶动�轮重为30 N不计�轮与轴之间的�擦及绳重若工人在10 S内将绳子匀速�上拉9 M sketch template

某建�工地上工人用图所示的动�轮将重450N的物体匀速竖直提升了6m若已知动�轮此时的机械效率为90%请计算1工人提升重物所做的有 sketch template

工人用如图所示装置从6m深的井中匀速吊起一个重量是800N的物体若每个�轮重为200N2min后物体由井底升至井口．求1物体上升过程 sketch template

建�工地用如图l7所示的简易�轮组提升砖块某工人将重500 N的砖块一次性匀速提升到离地面4 M高的砌墙处所用拉力为200 N时间为20 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

如图所示工人用250N的力将重400N的物体匀速提升2m共用了10秒若在此过程中绳子自由端移动的距离是4m物体上升的速度是02m sketch template

42．建�工地上工人用独轮车运送石块如图所示石块与独轮车的总重为600 N．重心在A点则工人两手对车所施加�上的力F是 N要想使F更小 sketch template

如图所示，工人站在水平台面上用�轮组提货物。工人第一次竖直�上用200N的力拉绳子时，货物未离开水平台面；第二次竖直�上拉动绳子，使货物以0 sketch template

题目工人用如图甲所示的�轮组利用箱子运送建材上楼每次运送量不定�轮组的机械效率随重力不同的建材变化的图像如图乙所示�轮与钢绳间的�擦 sketch template

如图所示建�工人用一个�轮组匀速提起一桶质量为21kg的沙子沙子在10s内上升6m绳重桶重与�擦不计工人所用的拉力为100Ng sketch template

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