📚 AS Physics Insert 1 Jan22: Concept Analysis | AS物理资料册2022年1月概念解析
The AS Physics Insert 1 for January 2022 is the official data, formulae and relationships booklet provided in AS Physics examinations. Understanding the given constants, equations, and conventions is as important as being able to apply them. This article walks through each section of the insert, clarifying the physics concepts and their usage.
2022年1月的AS物理资料册是AS物理考试中提供的官方数据、公式和关系手册。理解给定的常数、方程式与惯例，与能够应用它们同样重要。本文将逐节解析该手册，阐明物理概念及其用法。
1. Fundamental Constants and Unit Conversions | 基本常数与单位换算
The insert lists fundamental constants such as the speed of light in a vacuum c = 3.00 × 10⁸ m s⁻¹, the Planck constant h = 6.63 × 10⁻³⁴ J s, and the elementary charge e = 1.60 × 10⁻¹⁹ C. These values are used repeatedly in quantum, wave, and electricity problems.
资料册列出了真空光速 c = 3.00 × 10⁸ m s⁻¹、普朗克常数 h = 6.63 × 10⁻³⁴ J s、基本电荷 e = 1.60 × 10⁻¹⁹ C 等基本常数。这些数值在量子、波动和电学问题中被反复使用。
It also provides the permittivity of free space ε₀ = 8.85 × 10⁻¹² F m⁻¹, the electron rest mass mₑ = 9.11 × 10⁻³¹ kg, and the proton rest mass mₚ = 1.67 × 10⁻²⁷ kg. Students must be aware of SI prefixes from pico (p, 10⁻¹²) to tera (T, 10¹²) for conversions.
资料册还提供了真空介电常数 ε₀ = 8.85 × 10⁻¹² F m⁻¹、电子静质量 mₑ = 9.11 × 10⁻³¹ kg 以及质子静质量 mₚ = 1.67 × 10⁻²⁷ kg。学生必须熟悉从皮（p, 10⁻¹²）到太（T, 10¹²）的国际单位制前缀，以便进行单位换算。
2. Geometry and Trigonometry in Physics | 物理中的几何与三角学
The insert includes geometrical formulas: area of a circle A = πr², surface area of a sphere 4πr², volume of a sphere ⁴⁄₃πr³. These are used in intensity calculations and inverse-square laws.
资料册包含几何公式：圆面积 A = πr²，球表面积 4πr²，球体积 ⁴⁄₃πr³。这些在强度计算和平方反比定律中会被用到。
Trigonometric relationships such as sin θ = opposite / hypotenuse, cos θ = adjacent / hypotenuse, and tan θ = opposite / adjacent are fundamental for resolving vectors and analysing waves.
三角函数关系如 sin θ = 对边/斜边、cos θ = 邻边/斜边、tan θ = 对边/邻边，对于矢量分解和波动分析至关重要。
3. Kinematics: Motion in a Straight Line | 直线运动学
The suvat equations are central to AS kinematics. The insert gives v = u + at, s = ut + ½at², v² = u² + 2as, and s = ½(u + v)t. Each assumes constant acceleration and scalar motion along a straight line.
匀变速运动方程是AS运动学的核心。资料册给出 v = u + at, s = ut + ½at², v² = u² + 2as, s = ½(u + v)t。各方程均假设加速度恒定且为直线标量运动。
The symbol u means initial velocity, v final velocity, a acceleration, t time, and s displacement. When projecting vertically, acceleration a is replaced by g = 9.81 m s⁻² (downwards).
符号 u 表示初速度，v 末速度，a 加速度，t 时间，s 位移。在竖直抛体运动中，加速度 a 用重力加速度 g = 9.81 m s⁻²（向下）替代。
4. Dynamics and Newton's Laws | 动力学与牛顿定律
The insert states Newton's second law in the form F = ma and momentum p = mv. The impulse–momentum relationship is FΔt = Δp. These laws allow prediction of motion under resultant forces.
资料册以 F = ma 的形式给出牛顿第二定律，动量 p
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