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The resultant of forces of 5 N and 4 N can be:

1. 10 N
2. 4 N
3. 3 N
4. 5 N

Correct answer: 5 N

Solution

For two forces of magnitudes 5 N and 4 N, the resultant magnitude can vary from \(|5-4|=1\) N to \(5+4=9\) N depending on the angle between them. Among the options, 5 N is possible.

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