Q. 35.0( 2 Votes )

# Figure 4.1 shows the orientation of two vectors u and v in the XY plane.

If u = aî + bĵ and

V = pî +qĵ

Which of the following is correct?

A. a and p are positive while b and q are negative.

B. a, p and b are positive while q is negative.

C. a, q and b are positive while p is negative.

D. a, b, p and q are all positive.

Answer :

When we resolve the U vector, a and b will lie on a positive x-axis and y-axis respectively, suggesting that they are positive in nature (shown in red colour in above figure)

While resolving the orange vector p lies on the positive x- axis while q lies on the negative y- axis. Therefore, a, b, p, are positive while q is negative

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