# Physics Tutorial 6.4 - Moment of Force. Conditions of Equilibrium

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There are 7 lessons in this physics tutorial covering Moment of Force. Conditions of Equilibrium. The tutorial starts with an introduction to Moment of Force. Conditions of Equilibrium and is then followed with a list of the separate lessons, the tutorial is designed to be read in order but you can skip to a specific lesson or return to recover a specific physics lesson as required to build your physics knowledge of Moment of Force. Conditions of Equilibrium. you can access all the lessons from this tutorial below.

In this Physics tutorial, you will learn:

• What is moment of force?
• What are the factors affecting the moment of force?
• What is the equation and unit of moment of force?
• What happens if the acting force is not normal to the bar?
• What happens if more than two forces are acting on a turning system?
• What happens if there is no equilibrium in a turning system?
• What if the bar is heavy and as such, we cannot neglect its weight?
• What if the bar is hanged on a string?
• Which are the two conditions of equilibrium?

## Introduction

Suppose you are trying to make a long bar stay in equilibrium on a pivot. Can you put the pivot under whatever point of the bar to set up the equilibrium? Why?

Can you hang a bar at every point and still pretend to make is stay horizontal? Why?

The above questions will get answer in this tutorial, through theoretical explanation and illustrated by various examples.

Please select a specific "Moment of Force. Conditions of Equilibrium" lesson from the table below, review the video tutorial, print the revision notes or use the practice question to improve your knowledge of this physics topic.

Centre of Mass and Linear Momentum Learning Material
Tutorial IDPhysics Tutorial TitleTutorialVideo
Tutorial
Revision
Notes
Revision
Questions
6.4Moment of Force. Conditions of Equilibrium
Lesson IDPhysics Lesson TitleLessonVideo
Lesson
6.4.1What is Moment of Force?
6.4.2What happens if the acting force is not normal to the bar?
6.4.3What happens if more than two forces are acting on a turning system?
6.4.4What happens if there is no equilibrium in a turning system?
6.4.5What if the bar is heavy and as such, we cannot neglect its weight?
6.4.6What if the bar is hanged on a string?
6.4.7Conditions of Equilibrium

## Whats next?

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5. Continuing learning centre of mass and linear momentum - read our next physics tutorial: Linear Momentum

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