What you'll learn
Moment of a force as a measure of its turning effect
Principle of moments for a body in equilibrium
Centre of gravity and its relation to the weight of an object
Effect of the position of the centre of gravity on the stability of objects
Requirements
Basic knowledge of forces and resultant forces
Description
Are you a student taking the Cambridge iGCSE / GCE "O" Level Physics examination? Are you having difficulties understanding the concepts of the Turning Effect of a Force and not able to follow what your teachers taught in school? If so, then this course is for you.This course is carefully crafted to make the learning process simple, fast and effective.Every lesson consists of a short video that explains the concept with animated illustrations using everyday-life examples. At various learning milestones, quizzes with questions of gradual difficulty levels are provided to enable students to test their understanding and reinforce their learning. Throughout the course, students will be given exam preparation tips, advised on commonly made mistakes and misconceptions and taught the skills of how to correctly answer examination questions. By the end of the course, students will be well equipped with the knowledge required for Cambridge iGCSE / GCE "O" Level Physics examination.What you will learndescribe the moment of a force about a pivot in terms of its turning effect and relate this to everyday examples apply the relationship moment of a force (or torque) = force x perpendicular distance from the pivot to solve problems understand that the principle of moments for a body applies to they body in rotational equilibrium (not turning) and understand that a body in equilibrium also has to satisfy the criteria that resultant force is zero apply the principle of moments to calculate unknown force or distanceapply the concept of the moment of a force to check if a system will remain balanced or will start to rotateidentify the perpendicular distances in levers and systems with rotating forcerecognise that forces passing through the pivot has no turning effectshow an understanding that the weight of a body may be taken as acting at a single point known as its centre of gravity describe qualitatively the effect of the position of the centre of gravity and how the weight of an object has a turning effect that will affect its stability.How you will benefit from this course?Learn each concept easily in under 10 minutesLearn at your own pace.Visualise and grasp the concepts through animated illustrations and everyday-life examplesGain confidence in exam preparation through a guided program of solving questions of gradual difficulty levels and acquire the skills to solve examination questionsGet tips on commonly made mistakes and be corrected on misconceptionsChoose how you want to learn, by concepts or go straight into testing your understanding by solving questions or pick specific topic to learn
Overview
Section 1: Introduction
Lecture 1 Why this course will help you score in exam
Lecture 2 Why you should not miss this course
Section 2: Module 1 - Concept Learning on Moment of a Force
Lecture 3 Turning Effect of a Force
Lecture 4 Resultant Moment
Lecture 5 Principle of Moments
Section 3: Module 2 - Solving Problems on Moment of a Force
Lecture 6 Identifying the perpendicular distance in levers
Lecture 7 Misconceptions clarified
Lecture 8 Solving Challenging GCE "O" Level Questions - Part 1
Lecture 9 Solving Challenging GCE "O" Level Questions - Part 2
Lecture 10 Solving Challenging GCE "O" Level Questions - Part 3
Section 4: Module 3- Centre of Gravity & Stability
Lecture 11 Stability and Centre of Gravity
Lecture 12 Solving Challenging GCE "O" Level Questions - Part 4
Students preparing for iGCSE or GCE "O" Level Physics examination,Anyone interested in understanding the turning effect of forces in levers,Suitable for Physics teachers and tutors.


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