GenZo
2022-01-24T14:01:00+00:00
[img]https://img.nga.178.com/attachments/mon_202201/27/-7Q2p-l837K1yT1kShs-12h.jpg.medium.jpg[/img]
说实话,我觉得诺贝尔奖得颁给这俩哥们[s:ac:哭笑][img]https://img.nga.178.com/attachments/mon_202201/27/-7Q2p-k94sK1yT1kShs-12i.jpg[/img]
我估计网上的正确答案是要看测力计准不准[s:ac:衰]
如果在高中我只会选10N,但是在论坛在抖音,我可不敢说答案
等价于天花板上粘一个测力计,下面挂一个10N的砝码,一样是两头受10N力。这读数是多少就不用说了吧[s:ac:呆]
[quote][pid=584878849,30460292,1]Reply[/pid] Post by [uid=4937652]bingo1000[/uid] (2022-01-27 22:25):
如果在高中我只会选10N,但是在论坛在抖音,我可不敢说答案[/quote]涅应该是初中题
90度定滑轮减小一半的力,翘起地球只需要不到100个九十度定滑轮,阿基米德弱爆了[img]https://img.nga.178.com/attachments/mon_201209/14/-47218_5052bc4cc6331.png[/img]
[quote][pid=584884663,30460292,1]Reply[/pid] Post by [uid=61590448]然后没然后[/uid] (2022-01-27 22:56):
90度定滑轮减小一半的力,翘起地球只需要不到100个九十度定滑轮,阿基米德弱爆了[img]https://img.nga.178.com/attachments/mon_201209/14/-47218_5052bc4cc6331.png[/img][/quote]但实际上你撬不起来
因为你还是在地球上撬,属于内力。所以要是在月球上搞100个定滑轮,就可以把地球撬起来了[s:ac:哭笑]
[quote][pid=584884663,30460292,1]Reply[/pid] Post by [uid=61590448]然后没然后[/uid] (2022-01-27 22:56):
90度定滑轮减小一半的力,翘起地球只需要不到100个九十度定滑轮,阿基米德弱爆了......[/quote]我四个90度滑轮串个正方形葫芦,比永动机还牛[img]https://img.nga.178.com/attachments/mon_201209/14/-47218_5052bc4cc6331.png[/img]
[quote][pid=584879601,30460292,1]Reply[/pid] Post by [uid=42395475]游学者白术[/uid] (2022-01-27 22:29):
等价于天花板上粘一个测力计,下面挂一个10N的砝码,一样是两头受10N力。这读数是多少就不用说了吧[s:ac:呆][/quote]通俗易懂.exe
[quote][pid=584878380,30460292,1]Reply[/pid] Post by [uid=42124031]通常44[/uid] (2022-01-27 22:23):
说实话,我觉得诺贝尔奖得颁给这俩哥们[s:ac:哭笑][img]https://img.nga.178.com/attachments/mon_202201/27/-7Q2p-k94sK1yT1kShs-12i.jpg[/img][/quote]这评论是在钓鱼,还是真有这么多九漏鱼[s:ac:哭笑]
[quote][pid=584892257,30460292,1]Reply[/pid] Post by [uid=62315168]WashenZh[/uid] (2022-01-27 23:36):
我四个90度滑轮串个正方形葫芦,比永动机还牛......[/quote]今年诺贝尔奖非你莫属[img]https://img.nga.178.com/attachments/mon_201209/14/-47218_5052bc4cc6331.png[/img]
这不考物理 考观察力吧[img]https://img.nga.178.com/attachments/mon_201209/14/-47218_5052bc4cc6331.png[/img]