The component of a vector r along X-axis will have maximum value if
(a) r is along positive Y-axis
(b) r is along positive X-axis
(c) r makes an angle of 45° with the X-axis
(d) r is along negative Y-axis
The component of a vector r along X-axis will have maximum value if
(a) r is along positive Y-axis
(b) r is along positive X-axis
(c) r makes an angle of 45° with the X-axis
(d) r is along negative Y-axis
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1 Answer
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This is a Multiple Choice Questions as classified in NCERT Exemplar
Answer- b
Explanation – ler r makes an angle with positive x axis component if r along x-axis.
So rx= |r|cos
(rx)maximum= |r| (cos )maximum
= |r|cos = r
=00
R is along positive x-axis.
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