Mar 032013
 

Engineering MechanicsMechanics is the branch of science which deals with the behaviour of objects at rest or in motion, under the influence of forces. Engineering mechanics involves the application of the principles of mechanics to solve real-time engineering problems.

Types of Engineering Mechanics:

Engineering mechanics can be broadly classified into two types. They are:

  1. Statics and
  2. Dynamics

Statics:

Statics is the branch of mechanics that deals with the study of objects at rest. Objects at rest may or may not be under the influence of forces.

Dynamics:

Dynamics is the branch of mechanics that deals with the study of objects in motion and the forces causing such motion.

Types of Dynamics:

Dynamics can be further classified into two types. They are:

  1. Kinematics and
  2. Kinetics

Kinematics:

Kinematics is the study of motion of bodies without considering the forces acting on them. It deals with the space-time relationship of the motion of a body. Some examples of kinematic concepts are displacement, velocity and acceleration.

In the context of theory of machines, kinematics is the study of relative motion between different elements of a machine.

Kinetics:

Kinetics is the branch of dynamics which deals with the study of motion of bodies by considering the forces acting on them.

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I am a mechanical engineer with a passion for technical stuff. I am the founder and former editor-in-chief of Mechteacher.com.

  • Fårmåñ Üllåh Khattak

    tell me the difference between strain and deformation? if there is any..!!!

    • Er. faizaan mir

      Strain is the ratio of the deformation to the original length of the part.
      deformation has units of length, while strain is unitless. Strain is useful because it allow you to characterize the behavior of a material, whereas deformation is specific to a part (since the stiffness of the part is dependent on both material properties and on geometry).