Statics – Mechanics for Engineers: Key Concepts, Forces & Equilibrium

Statics - Mechanics for Engineers _ Key Concepts, Forces & Equilibrium.pdf
Page 1 ofStatics
18 - Mechanics for Engineers _ Key Concepts, Forces & Equilibrium




Statics - Mechanics for Engineers |
Key Concepts, Forces & Equilibrium




Statics - Mechanics for Engineers _ Key Concepts, Forces & Equilibrium.pdf
Page 1 ofStatics
18 - Mechanics for Engineers _ Key Concepts, Forces & Equilibrium

,Statics - Mechanics for Engineers.pdf Page 2 of 18 Statics - Mechanics for Engineers




Theoretical mechanics


The science which treats of the general laws of motion and equilibrium of material bodies
and of their resulting mutual interactions.


The branches of Mechanics


Mechanics is divided into statics, kinematics, and dynamics.


The Subject of Statics


The branch of mechanics which studies the laws of composition of forces and the conditions
of equilibrium of material bodies under the action of forces.




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First Principle of Statics


A free rigid body subjected to the action at two forces can be in equilibrium if, and only if,
the two forces are equal in magnitude (F1=F2), collinear, and opposite in direction


Second Principle of Statics


The action of a given force system on a rigid body remains unchanged If another balanced
force system is added to, or subtracted from, the original system.


Corollary of the 1st and 2 nd Principles.


The point of application of a force acting on a rigid body can be transferred to any other
point on line of action of the force without altering its effect.


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