Given that \(q = 9i + 6j\) and \(r = 4i - 6j\), which of the following statements is true?
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Correct Answer: Option B
Explanation:
The dot product of two perpendicular forces = 0
\((9i + 6j).(4i - 6j) = 36 - 36 = 0\)
Hence, r and q are perpendicular.
The dot product of two perpendicular forces = 0
\((9i + 6j).(4i - 6j) = 36 - 36 = 0\)
Hence, r and q are perpendicular.