有關摩擦力嘅問題(十萬火急!)(15點)

2015-04-25 7:23 pm
求摩擦力嘅例子,越多越好,禮拜二要交!

THX!

回答 (4)

2015-04-25 7:55 pm
✔ 最佳答案
There should be plenty:

Walking, friction between shoes and floor
Brakes on vehicles
Car clutch
Rubbing of both hands to produce heat in cold weather
Striking a match to ignite it.
Writing using a pencil.

You could find more on the web.
2015-04-28 2:37 am
THX!唔該晒你地!

2015-04-28 18:46:30 補充:
今日交咗,唔該晒知識長!
2015-04-25 8:09 pm
你可以行得走得,揸得住部手機就是。


收錄日期: 2021-04-20 15:53:42
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