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...
Edexcel IGCSE Physics 复习笔记 1.2.7 Terminal Velocity
Edexcel IGCSE Physics 复习笔记 1.2.7 Terminal Velocity Terminal Velocity Falling objects experience two forces: Weight (due to gravity) Air resistance (due to friction) The force of a...
AQA A Level Maths: Mechanics复习笔记3.3.3 Coefficient of Friction - F = ma
Coefficient of Friction - F = ma How do we apply Newton’s Second Law (F = ma) in problems involving friction? The coefficient of friction combined with F = ma allows you to determine an obje...
Edexcel IGCSE Physics 复习笔记 1.2.6 Stopping Distance
Edexcel IGCSE Physics 复习笔记 1.2.6 Stopping Distance Stopping Distance The stopping distance of a car is defined as: The total distance travelled during the time it takes for a car ...
IB DP Maths: AA SL复习笔记4.6.3 Standardisation of Normal Variables
Standard Normal Distribution What is the standard normal distribution? The standard normal distribution is a normal distribution where the mean is 0 and the standard deviation is 1 Why is the stand...
