CIE A Level Maths: Mechanics复习笔记4.1.1 Work
Work What does the term work mean in Mechanics? In Mechanics the word work refers to the?work done?by a force when it causes an object to move Mechanical work happens when both a?force?is applied a...
CIE 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 value ...
CIE 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?coefficient of...
CIE 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 object's mo...
CIE A Level Maths: Mechanics复习笔记3.3.2 Coefficient of Friction
Coefficient of Friction What is friction? Friction is a?force?between a surface and an object that acts to resist motion of the object across the surface On a horizontal surface with no forces acti...
CIE A Level Maths: Mechanics复习笔记3.3.1 Resolving Forces & Inclined Planes
Resolving Forces If a single force is applied at an angle to the?direction of motion?it will need to be?resolved?into?components?of the force that act?perpendicular?to each other. Why resolve a for...
CIE A Level Maths: Mechanics复习笔记3.2.4 Connected Bodies - Pulleys
Connected Bodies - Pulleys What is a pulley (or peg)? A?pulley?is a wheel like device that rotates as a string passes over it allowing motion of any particles attached to the string The term?‘strin...
CIE A Level Maths: Mechanics复习笔记3.2.3 Connected Bodies - The Lift Problem
Connected Bodies - The Lift Problem What is the lift problem? The?lift?problem?involves objects (particles) that are?directly?in?contact?with each other – typically a?person?or?crate?in a?lift If i...
CIE A Level Maths: Mechanics复习笔记3.2.2 Connected Bodies - Ropes & Tow Bars
Connected Bodies - Ropes & Tow Bars What are connected bodies/particles? The phrase?connected?particles?refers to situations where?two?(or more) bodies (objects) are connected in some way. Comm...
