AQA A Level Maths: Mechanics复习笔记4.1.3 Centres of Mass
Uniform Rods & Laminae What is meant by the centre of mass of an object? The centre of mass of an object is the point at which the weight of the object may be considered to act For a uni...
AQA A Level Maths: Mechanics复习笔记4.1.2 Using Moments - Equilibrium
Using Moments - Equilibrium What happens with moments if a rigid body is in equilibrium? If a rigid body is in equilibrium then: The resultant force is 0 N The resultant moment about any poi...
IB DP Maths: AA SL复习笔记5.1.1 Introduction to Differentiation
Introduction to Derivatives Before introducing a derivative, an understanding of a limit is helpful What is a limit? What might I be asked about limits? You may be asked to use your GDC to plot the...
Edexcel IGCSE Physics 复习笔记 1.3.1 Momentum
Edexcel IGCSE Physics 复习笔记 1.3.1 Momentum Calculating Momentum A moving object has momentum which is defined by the equation: p = mv Where: p = momentum in kilogram metre p...
AQA A Level Maths: Mechanics复习笔记4.1.1 Moments Diagrams
Moments Diagrams When an object is modelled as a particle we do not need to consider the rotation of the object due to forces. When we model an object as a rigid body then we need to consid...
Edexcel IGCSE Physics 复习笔记 1.2.9 Hooke's Law
Edexcel IGCSE Physics 复习笔记 1.2.9 Hooke's Law Hooke's Law The relationship between the extension of an elastic object and the applied force is defined by Hooke's Law Hooke's Law states th...
Edexcel IGCSE Physics 复习笔记 1.2.8 Core Practical: Investigating Force & Extension
Edexcel IGCSE Physics 复习笔记 1.2.8 Core Practical: Investigating Force & Extension Core Practical 2: Investigating Force & Extension Equipment List Resolution of measuring equipmen...
AQA A Level Maths: Mechanics复习笔记3.3.5 Coefficient of Friction - Harder Problems
Coefficient of Friction - Equilibrium How is friction used when a body is in equilibrium? When a body is in static equilibrium under the action of a number of forces, including friction, the...
AQA A Level Maths: Mechanics复习笔记3.3.4 Coefficient of Friction - Inclined Planes
Coefficient of Friction - Inclined Planes How is the coefficient of friction used in problems involving inclined planes? On an inclined plane the basic principles are the same as for coeffic...
