CoSci-真假皇冠 icon

1.3 by CoSci


Feb 17, 2018

About CoSci-真假皇冠

This simulation program two identical weight density but not necessarily identical object submerged process.

模擬中有三頂重量皆為1000公克的皇冠,其中有一頂是純金製成的,其他兩頂卻是合金(參雜其他金屬)製成,槓桿右端懸掛的重量也是1000公克的純金金條。你知道哪個皇冠才是純金製成的真皇冠嗎?這三頂黃冠的密度關係為何(皇冠A > 皇冠B > 皇冠C 還是 皇冠A < 皇冠B < 皇冠C)?使用模擬中的量測工具後,你能算出三頂皇冠的密度嗎?

希臘哲學家阿基米德為了解決國王要他判斷皇冠是否是純金的問題而發明了浮力原理,物體在水中排開的體積等於它的浮力,但在阿基米德的著作中並無記載他是如何運用浮力原理準確判定皇冠真假的細節,爾後的學者認為參了銀的皇冠與等重的純金浸入水中後排出的體積差異不大,依據當時的量測技術應該很難單純用比較兩物排開水的體積來斷定差異,伽利略在閱讀過阿基米德所有文獻後推論,阿基米德可能結合浮力與槓桿原理來解決這問題。

What's New in the Latest Version 1.3

Last updated on Feb 17, 2018

* 修正切換不同皇冠之間時,可能會造成結果不正確。

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Additional APP Information

Latest Version

Request CoSci-真假皇冠 Update 1.3

Uploaded by

Nhat Nguyen

Requires Android

Android 4.0.3+

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CoSci-真假皇冠 Screenshots

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