All Textbook Topics - Forces introduction - Force Arrows - Force arrows must be a straight line, drawn with a ruler, as the forces act in one direction
Force arrows must be a straight line, drawn with a ruler, as the forces act in one direction
Forces act in one direction so force arrows must be a straight line. To make sure this is the case in a diagram, they must be drawn with a ruler.
![](https://cdn.figureoutphysics.com/text/1578414024uTo547wmrDxaFl6ZRUzqj83SfHOkAB.png)
Final diagram:
![](https://cdn.figureoutphysics.com/text/15784138236GWTr9BZMUO0bytI5fogsFcEq7QDVP.png)
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