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UPSC NDA I 2015 Mathematics Solved Paper

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Question : 100 of 120
 
Marks: +1, -0
A force
→
F
=3
∧
i
+4
∧
j
−3
∧
k
 is applied at the point P, whose position vector is
→
r
=2
∧
i
−2
∧
j
−3
∧
k
 What is the magnitude of the moment of the force about the origin?
[NDA I 2015]
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