Different color for each arrow from a common control point in a FBD question.

It would be useful in Free Body Diagram (FBD) question for students to be able to use different color for each arrow from a common control point, especially when they want to answer two or more types of force in close angles or in the same direction from the point.

This would make easy to distinguish different types of force from the common point.

This should be also usable when instructors author correct answers of their FBD questions.

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  • Oct 14 2019
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