Composition of Forces
    

    
    
    


        

Composition of Forces

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Composition of Forces

Introduction

After reading the lecture it is important to check understanding of basic concepts and definitions of course.

Objectives

The objectives of teaching of “Theoretical Mechanics” are:

• demonstration prime mechanical terms and concepts to students

• teaching students to describe mechanical model of standard task and to analyze the acquired knowledge

• development of mechanical intuition and generating mechanical culture  



Activity 1: Terms and definitions

Instruction

Complete the following sentences.

Then read the feedback to check your answers.

The principal vector of a system is called...

Forces are called concurrent...

The necessary and sufficient condition for the equilibrium of a three-dimensional system of concurrent forces ...

The resultant of a system of concurrent forces is..

If a free rigid body remains in equilibrium under the action of three nonparallel coplanar forces, then the lines of action of these forces..

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