The magnitude of the resultant of two forces A = 8 N 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 |
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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 |
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