Motion in a Plane - Result Question 10
12. The vector sum of two forces is perpendicular to their vector differences. In that case, the forces
[2003]
(a) cannot be predicted
(b) are equal to each other
(c) are equal to each other in magnitude
(d) are not equal to each other in magnitude
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Answer:
Correct Answer: 12. (c)
Solution:
- (c)
Since
