(迷惑问题)问一道初中物理题

Popadopalus

2020-04-11T15:22:55+00:00

[img]https://img.nga.178.com/attachments/mon_202004/11/-7Q5-7ircZsT3cSpf-1i9.jpg.medium.jpg[/img][img]https://img.nga.178.com/attachments/mon_202004/11/-7Q5-8jfcZpT3cSmd-1id.jpg.medium.jpg[/img][img]https://img.nga.178.com/attachments/mon_202004/11/-7Q5-8w9zZqT3cSlk-1ij.jpg.medium.jpg[/img][img]https://img.nga.178.com/attachments/mon_202004/11/-7Q5-akogZsT3cSmj-1ih.jpg.medium.jpg[/img][img]https://img.nga.178.com/attachments/mon_202004/11/-7Q5-brizZ15T3cSll-1io.jpg.medium.jpg[/img]

Nebulol

[quote][tid=21239833]Topic[/tid] Post by [uid=42774381]粉肠杆菌[/uid] (2020-04-11 23:27):

[img]https://img.nga.178.com/attachments/mon_202004/11/-7Q5-7ircZsT3cSpf-1i9.jpg.medium.jpg[/img][img]https://img.nga.178.com/attachments/mon_202004/11/-7Q5-8jfcZpT3cSmd-1id.jpg.medium.jpg[/img][img]https://img.nga.178.com/attachments/mon_202004/11/-7Q5-8w9zZqT3cSlk-1ij.jpg.medium.jpg[/img][img]./mon_202004/11/-7Q5-akogZsT3cSmj-1ih.jpg.medium.jpg[/im[/quote]你倒是把题目贴上来啊

markque

浮力不是永远竖直向上的吗[s:ac:茶]

DreamZzz

你是不是有问题？

浮力是支撑水面上浮，它游走的靠的是阻力和拉力的平衡啊。

Popadopalus

[quote][pid=412562494,21239833,1]Reply[/pid] Post by [uid=60247965]牧笛灵风[/uid] (2020-04-11 23:28):

你倒是把题目贴上来啊[/quote][img]https://img.nga.178.com/attachments/mon_202004/11/-7Q5-ic3vK1rT1kSct-s8.jpg.medium.jpg[/img]这个这个[s:ac:晕]

DreamZzz

重力竖直向下，浮力竖直向上，阻力拉力永远相反。