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                   Applied Mechanics  

Applied Mechanics is considered as the backbone of all engineering programs. It deals with the basic concepts of force, moment  and its effects on the bodies at rest or in motion. It helps to understand how different bodies behave under the application of different types of loads.

Mechanics can be broadly divided into two branches; Statics and Dynamics. Statics deals with the bodies at rest whereas dynamics involves studies related to bodies in motion. It can also be divided as mechanics of rigid bodies and mechanics of deformable bodies. Good knowledge of material properties is also essential for studying mechanics of deformable bodies. 

Applied mechanics provides the basis for further studies in Structural Analysis which are required for structural design of different components of buildings or bridges. A good knowledge of support reactions is also important to understand the behaviour  of structures.

Featured Links

Overhanging Beam CalculatorNew

Bending Moment & Shear Force Calculation for Overhanging beam with different loads

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Fixed end moment, bending moment & reaction calculation for fixed beam

Moment of Inertia calculatorNew

For different sections including I-section and T-section.

Deflection CalculatorNew

Easy to use calculator for different loads on beams

Problem SolverNew

A collection of illustrated solved examples for civil engineers.

RC Beam CalculatorNew

Calculate the strength of reinforced concrete beams

Bending Moment calculatorNew

Calculate Bending moments for simply supported beams

CE HorizonNew

Online Civil Engineering Journal and Magazine

Profile of Civil EngineersNew

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CE QUIZNew

A collection of quiz in different areas of civil engineering

Static equilibrium

A structures can be in static equilibrium if the following conditions are met;

1. For a 3-dimensional structure ( space structure), equilibrium requirement is  force and moment balance along three independent (perpendicular) axes.

  ΣFx = 0,    ΣFy = 0,   ΣFz = 0,

  ΣMx = 0,   ΣMy = 0,   ΣMz = 0,

2. For a 2-dimensional structure ( planar structure)), equilibrium requirement is force balance along two perpendicular axes (in the plane) and moment balance about an axis perpendicular to the plane.

  ΣFx = 0,  ΣFy = 0,  ΣMz = 0,

The above conditions of static equilibrium can be used to find the support reactions.

Free-boy diagrams, which show all the reactions and applied loads on the body are required to be drawn before applying the equations of static equilibrium.

Solved examples on calculation of support reactions Problem 4-1 Problem 4-2  and other solved examples

What is shearing force and bending moment?

What is indeterminate structure?

Moment Distribution CalculatorNew

Easy to use calculator for solving  Indeterminate beams with different load

 
 

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Last updated on Monday January 28, 2013