工人利用如图所示的�轮组在20s内将200n的重物匀速拉到9m 高的楼上所用的拉力是80n．求1有用功是多�2�轮组的机械效率 Sketch Coloring Page

工人利用如图所示的�轮组在20s内将200n的重物匀速拉到9m 高的楼上所用的拉力是80n．求1有用功是多�2�轮组的机械效率 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 #135 TYGER Style

Jaroslav Florian
sketch #135 TYGER Style

sketch #5166 Jigsaw by Gisele Siqueira Zanni

anonymous

anonymous
sketch #5166 Jigsaw by Gisele Siqueira Zanni

sketch #84

Chris Shrimp Lonsdale
sketch #84

sketch #20344

anonymous

anonymous
sketch #20344

sketch #4972

anonymous

anonymous
sketch #4972

sketch #1076

anonymous

anonymous
sketch #1076

sketch #5157

anonymous

anonymous
sketch #5157

sketch #1448 donara

Donara Smbatyan
sketch #1448 donara

sketch #3118 Joker Hernan Da Costa Marquez

anonymous

anonymous
sketch #3118 Joker Hernan Da Costa Marquez

sketch #4916

anonymous

anonymous
sketch #4916

sketch #3014 Fancy

James Forest
sketch #3014 Fancy "S "

sketch #2828 One Direction Szabó Zoltán

Szabó Zoltán
sketch #2828 One Direction Szabó Zoltán

sketch #3254 derp

anonymous

anonymous
sketch #3254 derp

sketch #3620 Dude by Arasheel Eomseii

anonymous

anonymous
sketch #3620 Dude by Arasheel Eomseii

sketch #1668 SUNSET

anonymous

anonymous
sketch #1668 SUNSET

sketch #5237 Gotye by Jhonatan Soares

anonymous

anonymous
sketch #5237 Gotye by Jhonatan Soares

sketch #2574

anonymous

anonymous
sketch #2574

sketch #5101

anonymous

anonymous
sketch #5101

sketch #5066 Rey Helado by Gleny Acevedo

anonymous

anonymous
sketch #5066 Rey Helado by Gleny Acevedo

sketch #5127 Captain America by Mark Phillips

anonymous

anonymous
sketch #5127 Captain America by Mark Phillips

sketch #2459 funky afro

sketchmaster
sketch #2459 funky afro

sketch #4734 Timon by Anh Vu

anonymous

anonymous
sketch #4734 Timon by Anh Vu

sketch #5129 Konata Izumi by Urs Stefan

anonymous

anonymous
sketch #5129 Konata Izumi by Urs Stefan

sketch #5160 Marilyn Monroe by Muhammet Karadoğan

anonymous

anonymous
sketch #5160 Marilyn Monroe by Muhammet Karadoğan

sketch #895

anonymous

anonymous
sketch #895

sketch #3698

anonymous

anonymous
sketch #3698

sketch #132

anonymous

anonymous
sketch #132

sketch #5009 Elen Jager from Attack on Titan

anonymous

anonymous
sketch #5009 Elen Jager from Attack on Titan

sketch #3656 Igor by Vincent Baudement

anonymous

anonymous
sketch #3656 Igor by Vincent Baudement

sketch #3473 Finn by Luana Santos

anonymous

anonymous
sketch #3473 Finn by Luana Santos

tomski工人利用如图所示的�轮组在20s内将200n的重物匀速拉到9m 高的楼上所用的拉力是80n．求1有用功是多�2�轮组的机械效率 coloring

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

工人用300N的力利用如图所示的�轮组将重540N的物体竖直�上匀速提升了1m则该�轮组此时的机械效率η= 不计�擦动�轮的重力G 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求 1�轮组对重物所做的有用功 2该 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

工人用如图甲所示的�轮组运送建材上楼每次运送量不定．�轮组的机械效率随建材重量变化的图象如图乙所示�轮和钢绳的�擦力及绳重忽略不计g 取 sketch template

工人利用如图所示�轮组提升重物不计绳重和�擦．若工人用250N的力恰好能将重物400N的物体竖直�上匀速提起2m根据以上已知信息计算至�5 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求 1�轮组对重物所做的有用功 2该 sketch template

工人利用如图所示的�轮组在20s内将200N的重物匀速拉到9m 高的楼上所用的拉力是80N．求1有用功是多�2�轮组的机械效率 sketch template

如图甲为工人师傅用�轮组提升重物的装置示意图，已知动�轮和水桶总重20N，将重为160N的水以02m/s的速度匀速提起，所用时间为20s，此 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

如图所示某工人用�轮组在1分钟内将重103N的重物提高2m所用的拉力是600N求1工人通过�轮组所做的有用功 2工人做的总功 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

63．工人用如图所示的�轮组提升重物在10s内将240N的物体匀速提升2m已知工人的拉力为100N不计绳重与�擦阻力求 1工人 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

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

题目质量为60kg的建�工人用如图甲所示的�轮组匀速提升货物�轮组的机械效率随货物重力变化的图像如图乙所示．工人在10s内将货物匀速提高 sketch template

工人用如图所示的�轮组提升重物在10s内将240N的物体匀速提升2m已知工人的拉力为100N不计绳重与�擦阻力求1工人做功的功率 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

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

工人利用如图所示的�轮组提升重物不计绳重和�擦．1若工人用250N的力恰好能将重400N的物体竖直�上匀速提升求该�组此时的机械效率 sketch template

利用如图所示的甲乙两�轮组在相同的时间内用大小相同的力F1和F2分别把质量相等的重物G1和G2提升到相同的高度则 A．甲�轮组的机械 sketch template

质量为60kg的工人用如图甲所示的�轮组运送货物上楼�轮组的机械效率随货物重力变化的图象如图乙机械中�擦力及绳重忽略不计．1影响�轮组 sketch template

工人用图甲所示的�轮组运送建材上楼每次运送量不定．�轮组的机械效率随建材重变化的图象如图乙不计�轮和钢绳的重力及�擦g取10N/kg sketch template

�线轮的方程和绘图总结知乎 sketch template

题目小群利用如图甲所示的�轮组将水中物体匀速提升到空气中他所用的拉力F与绳子自由端移动的距离s的关系图像如图乙所示物体在空气中匀速上升 sketch template

一轮复习：阿特伍德机类型知乎 sketch template

用四个�轮和两根相同的绳子组成如图所示的甲、乙两个�轮组用它们匀速提起货物在绳自由端施加竖直的拉力分别为F甲和F乙物重分别为G甲和G乙 sketch template

一轮复习：阿特伍德机类型知乎 sketch template

工人利用如图所示�轮组提升重物不计绳重和�擦．若工人用250N的力恰好能将重物400N的物体竖直�上匀速提起2m根据以上已知信息计算至�5 sketch template

2．如图所示在不计绳重和�擦的情况下用动�轮把重40N的物体匀速提高2m所用的拉力为25N则拉力做功是 J动�轮的机械效率是 果把 sketch template

利用如图所示的装置工人用力F把重为100N的物体以02m/s的速度匀速提升6m．若不计绳重和�擦则这一过程中 A拉力F的大小为 sketch template

如图所示四个�轮组如果�轮的重力和一切�擦及丙组的板重不计重物G的重力为600N．要将重物匀速提起四种情况下拉力F分别为F甲= F乙 sketch template

用如图所示的�轮组提升重物人用500N的拉力F在20s内使重为800N的物体匀速上升了3m．不计绳重和�擦则人拉绳子做功的功率和�轮组的 sketch template

百度教育 sketch template

1如图所示物体A静止在水平地面在图中画出它所受的力的示意图．2用如图所示的�轮组提升重物若拉力F将绳子的自由端移动1m时重物 sketch template

free web stats