The magnitude of the resultant of two forces \(A=8\)and \(B=6\) N acting at a point angle of 90° between them is:
1. \(14\) N
2. \(2\) N
3. \(10\) N
4. \(12\) N

Subtopic:  Resultant of Vectors |
 86%
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The scalar and vector product of two vectors, a = 3i^-4j^+5k^ and b = -2i^+j^-3k^ is equal to:

1. \(-25\)7i^-j^-5k^

2. \(25\)-7i^+j^-5k^

3. \(0\)-7i^+j^+3k^

4. \(-25\)-7i^+j^+5k^

Subtopic:  Vector Product |
 75%
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