Question

Figure shows the orientation of two vectors $\overrightarrow { \mathrm { u } }$and in the xy plane. If and . 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 1

Answer: (B)

A, p and b are positive while q is negative

Answer 2

As per figure, in $\overrightarrow { \mathrm { u } } = \mathrm { a } \hat { \mathrm { i } } + \mathrm { b } \hat { \mathrm { j } }$ both a and b are Positive while in $\vec { v } = p \hat { i } + q \hat { j }$ p is positive and q is negative. Thus a, b and p are positive and q is negative.