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




You need a modern browser try chrome, to view this.

Background image: Hide Show

View Larger Image Image Credit: 1010jiajiao.com






Try and sketch some of theseTornado, Attic, Yo-yo, Angelfish, Toboggan, Ostrich, Detective, Cabin, Rodeo, Lawn, view more ideas


please wait, the page is loading...

More Sketches

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

anonymous
anonymous
sketch #5055


anonymous
anonymous
sketch #3626 Skream by Wellen Lima


anonymous
anonymous
sketch #4601 PSY Gentleman by Luis Daniel Sanchez Ramirez


anonymous
anonymous
sketch #5053


anonymous
anonymous
sketch #5155


anonymous
anonymous
sketch #5222 Magic Art Tin Sheek


Милен Тревата
sketch #2771 Naruto by Милен Тревата


anonymous
anonymous
sketch #4454 Lisa by Muhammad Raiyaan


anonymous
anonymous
sketch #3204 eminem


anonymous
anonymous
sketch #4475 Daft Punk by Reggie Garcia


anonymous
anonymous
sketch #3656 Igor by Vincent Baudement


anonymous
anonymous
sketch #5277 League of Legends champions by Sylvie Rieux


Raisa Mahmud
sketch #2055 Flower


anonymous
anonymous
sketch #5100 Shadow by An Nguyen


Benjo Arellano
sketch #779 Gol D Roger


Donara Smbatyan
sketch #1454 donara


anonymous
anonymous
sketch #3447 Hidan (Akatsuki) by ßeyza Karaca


anonymous
anonymous
sketch #3532 Angel by Geneval Mendes


anonymous
anonymous
sketch #4868 Pokemons! by Ammed Hjb


anonymous
anonymous
sketch #4493 Jimi Hendrix by Alex Stoun


Rachel Roe
sketch #2646 Buzzy bee on flowers


anonymous
anonymous
sketch #5002 Jimi Hendrix by Piter Olimpo


anonymous
anonymous
sketch #4429 Spongebob by Brenda Peña


愛君
sketch #1964 愛鼠繪


anonymous
anonymous
sketch #4700


anonymous
anonymous
sketch #3736 Why so serious? by Taï Marsan

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