If the analysis of the forces involved on an object produces a negative answer for a force: The solution is incorrect, quite possibly due to a mathematical error. O The problem should be reworked by changing the direction of the force with the negative sign on the free-body diagram and redoing the calculations. The negative sign indicates that the arbitrary direction chosen for that force was incorrect, and the correct direction for that force is opposite to that chosen. The problem cannot be solved by the methods of Statics. Previous Next >

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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Question 1/9 (2 p.)
If the analysis of the forces involved on an object produces a negative answer for a force:
The solution is incorrect, quite possibly due to a mathematical error.
The problem should be reworked by changing the direction of the force with the negative sign on the free-body
diagram and redoing the calculations.
The negative sign indicates that the arbitrary direction chosen for that force was incorrect, and the correct direction
for that force is opposite to that chosen.
The problem cannot be solved by the methods of Statics.
Previous
Next
Transcribed Image Text:Question 1/9 (2 p.) If the analysis of the forces involved on an object produces a negative answer for a force: The solution is incorrect, quite possibly due to a mathematical error. The problem should be reworked by changing the direction of the force with the negative sign on the free-body diagram and redoing the calculations. The negative sign indicates that the arbitrary direction chosen for that force was incorrect, and the correct direction for that force is opposite to that chosen. The problem cannot be solved by the methods of Statics. Previous Next
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