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