A force is an external agent acting on another body. This force may moves or tends to move the body in the direction of its action. The force is a vector quantity since it is represented by its magnitude and direction. The force may be of pulling or pushing type. Copy the link given below and paste it in new browser window to get more information on Principle Of Transmissibility:- http://www.transtutors.com/homework-help/mechanical-engineering/force-systems-and-analysis/principle-of-transmissibility.aspx

2.  Introduction
 Principle of Transmissibility

3.  Forces
◦ Pulling forces
◦ Pushing forces

4.  Any force acting at a point can be replaced by the same
magnitude of force at some other point on the same line of
action in the same direction.
 Does not change the condition of motion of the body.

5.  Applicable only to rigid bodies

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