2.如图所示不计任何�擦分别用定�轮动�轮�轮组把同一个物体匀速升到同一高度其中机械效率最高的是 A.定�轮 B.动�轮 C.�轮组 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 theseDinner, Raft, Turban, Dessert cart, Stake, Glitter, Steam shovel, Gold rush, Bedroom, Unicycle, 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 #3360


anonymous
anonymous
sketch #1724


anonymous
anonymous
sketch #3388 Fight Club by Alvaro Velasquez


anonymous
anonymous
sketch #3581 Dante


Marlyn Ortiz
sketch #2030


Cherie N Patanao
sketch #1043 Deadoo..


Rachel Roe
sketch #674


anonymous
anonymous
sketch #5121


anonymous
anonymous
sketch #5222 Magic Art Tin Sheek


anonymous
anonymous
sketch #5128 Italo Italo Abreu Jack Supple


anonymous
anonymous
sketch #5271


anonymous
anonymous
sketch #4905 The Little Prince by Gaurav Patel


anonymous
anonymous
sketch #4351


anonymous
anonymous
sketch #921 comics ufo


anonymous
anonymous
sketch #3535 Mickey by Hakan Usuğ


anonymous
anonymous
sketch #2197


anonymous
anonymous
sketch #5055


anonymous
anonymous
sketch #2922


anonymous
anonymous
sketch #4546 Misaki Mei by Wanis Khelifa


anonymous
anonymous
sketch #4306 The burning watermelon!


anonymous
anonymous
sketch #4385


anonymous
anonymous
sketch #4446 EDDIE by يآآسر محمد


anonymous
anonymous
sketch #4702


anonymous
anonymous
sketch #5131 Miley Cyrus by Vannak Von


anonymous
anonymous
sketch #5112


anonymous
anonymous
sketch #2937 Spongebob by Kalana Namikaze


sketchmaster
sketch #2459 funky afro


Donara Smbatyan
sketch #1448 donara


Tom Kelly
sketch #645


anonymous
anonymous
sketch #2889

tomski2.如图所示不计任何�擦分别用定�轮动�轮�轮组把同一个物体匀速升到同一高度其中机械效率最高的是 a.定�轮 b.动�轮 coloring