Forces in action
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5. Free body diagrams

Free-body diagrams are diagrams used to show the magnitude and direction of all forces acting upon an object in a given situation.

These rules for summing vectors are applied to free-body diagrams in order to determine the net force (i.e., the vector sum of all the individual forces). Sample applications are shown in the diagram on the left.

The resultant is the vector sum of two or more vectors. It is the result of adding two or more vectors together.

You can check the link in bar menu for more information about free body diagrams.

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