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Resultant of two vectors is srt of 1200 and makes an angle 30 with vector of magnitude 20

Resultant of two vectors is srt of 1200 and makes an angle 30 with vector of magnitude 20

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Grade:12th pass

2 Answers

Khimraj
3007 Points
5 years ago
Let the resultant vector, R be reference vector.
R=20sqrt(3) at an angle of 0 degree.
R is made up of two components, A and B.
A = 20 at an angle of 30 degree.
B is unknown.
R= A + B
Hence, B = R - A
B= 20sqrt(3) - 20 at 30 degree = 20 at -30 degree.

So, the magnitude of other force is 20N and it is making an angle of -30degree with the resultant force.
Deepak Kumar Shringi
askIITians Faculty 4404 Points
5 years ago
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