AQA A Level Physics復習筆記4.2.3 Centre of Mass
Centre of Mass The centre of mass of an object is?the point at which the weight of the object may be considered to act The position of the centre of mass of uniform regular solid is at its c...
AQA A Level Physics復習筆記4.2.2 Couples
Couples A couple is a?pair?of equal and opposite?coplanar forces?that acts to produce?rotation?only A couple consists of a pair of forces that are: Equal in magnitude Opposite in direction P...
AQA A Level Physics復習筆記4.2.1 Moments
What is a Moment? A moment is the?turning effect of a force Moments occur when forces cause objects to?rotate?about some pivot The moment of a force is given by Moment (N m) = Force (N) × pe...
美本申請十大誤區，你誤入了嗎？
現在關于留學申請的內容越來越多，但也不乏很多“誤導性”觀點。在多關注資訊的同時一定要避免踩坑。 十大誤區 1美本規劃，從11年級開始就行 很多家長，即使孩子在初中升高中時，就已經決定了出國留學。但她們仍然...
AQA A Level Physics復習筆記4.1.2 Resolving Vectors
Resolving Vectors Two vectors can be represented by a single?resultant vector Resolving a vector is the opposite of adding vectors A single resultant vector can be resolved This means...
AQA A Level Physics復習筆記4.1.1 Scalars & Vectors
Scalars & Vectors A?scalar?is a?quantity?which?only?has a magnitude (size) A?vector?is a quantity which has?both?a magnitude and a direction For example, if a person goes on a hike in th...
AQA A Level Physics復習筆記3.5.1 Refraction at a Plane Surface
Refractive Index Refraction occurs when light passes a boundary between two different transparent media At the boundary, the rays of light undergo a?change in direction The direction is take...
AQA A Level Physics復習筆記3.4.1 Single Slit Diffraction
Diffraction Diffraction is the?spreading out?of waves when they pass an obstruction This obstruction is typically a narrow slit known as an aperture The extent of diffraction depends ...
AQA A Level Physics復習筆記3.3.1 Path Difference & Coherence
Path Difference & Coherence Interference occurs when waves?overlap?and their resultant displacement is the?sum of the displacement of each wave This result is based on the principle of s...
AQA A Level Physics復習筆記3.2.1 Stationary Waves
Stationary Waves Standing waves?are produced by the?superposition?of two waves of the same?frequency?and?amplitude?travelling in?opposite directions This is usually achieved by a travelling ...
高一高二學生暑期專業興趣探索優質免費資源推薦！
進入暑假，很多學生步入新高一、高二，留學備戰已經提上日程。對于很多同學來說，除了準備標化考試、學術活動之余，更重要的是要做專業興趣的探索。在明確專業方向之后，才能有計劃的設計并參與對應的科研活動。 ...
AQA A Level Physics復習筆記3.1.1 Progressive Waves
Properties of Oscillations A progressive wave is defined as: A wave that transfers energy from one point to another without transferring the medium itself Properties of a Progressive Wave Di...
