What is Free Body Force Diagram? Definition, Drawing, Procedures and Examples

For the determination of unknown forces acting on a system, the very first step you have do is the drawing of free body force diagram of the body.

Free body diagram is a sketch of a body, which shows the external forces acting on the body and reactions exerted on it due to the external force.

Procedures for constructing Free Body Diagram

  1. First, you need to sketch the body by removing the supporting surfaces
  2. Then after you need to indicate the active forces that caused the body to move
  3. Also, indicate the reactive forces such as forces which tends to resist the motion(Supports or Constraints)
  4. Relevant angles and dimensions must be shown with the reference axis.The friction of the smooth surfaces can be neglected.

 

free body force diagram

Hope you can understand the free body force diagram.If you like this post, don’t forget to share it.

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