AQA A Level Physics復習筆記4.7.6 Energy Conservation
Conservation of Energy in Deformation Loading and Unloading a Metal Wire When a metal wire is loaded with a force and stretched beyond its limit of proportionality, it will undergo?plastic d...
AQA A Level Physics復習筆記4.7.5 Elastic & Plastic Behaviour
Plastic Behaviour Materials can undergo two types of deformations: Elastic deformation When the load is removed, the object?will?return to its original shape This is shown in the elastic reg...
AQA A Level Physics復習筆記4.7.4 Elastic Strain Energy
Elastic Strain Energy Work has to be done to stretch a material Before a material reaches its?elastic limit?(whilst it obeys Hooke's Law), all the work is done is stored as?elastic strain energy Th...
AQA A Level Physics復習筆記4.7.3 Stress & Strain
Tensile Stress & Strain Opposite forces can deform an object If the forces?stretch?the object, then they are tensile forces Tensile forces lead to the two properties of materials known a...
AQA A Level Physics復習筆記4.7.2 Hooke's Law
Hooke's Law When a force?F?is added to the bottom of a vertical metal wire of length?L, the wire?stretches A material obeys Hooke’s Law if: The extension of the material is directly proporti...
A-level中文考試到底要不要考？
A-level中文考試到底要不要考？在英國，A-level Chinese（中文）成為越來越受歡迎的一個學科。而國內也是同樣，很多精力夠用的小伙伴，都會順便考一考A-level中文。 關于A-level 中文我們需要了解哪些？ 不是每個...
2023 CAIE alevel經濟paper1考點！
據說2022年秋季alevel考試會參考2023年CAIE新考綱樣卷？ 不知道真假，寧可信其有。來看一下經濟樣卷選擇題部分的考點，該樣卷全部題目都選自過往真題，主要參考下知識點分布。 注意：斜體為以往不常考，下劃線為...
與高考相比，Alevel課程體系有手就行？
近年來，中國高考正在經歷變化，讓學生擁有更大選擇范圍，目標全面提升學生素質。高考后咨詢A-level一年制課程的學生越來越多，雖然會比兩年制緊張，但完全可以實現一年后出國。也有國內高中同學雙軌制學習，學習...
AQA A Level Physics復習筆記4.7.1 Density
Density Density is the?mass per unit volume?of an object Objects made from low-density materials typically have a lower mass For example, a balloon is less dense than a small bar of lead des...
