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Per NCERT §3.5, components of vector A along x and y axes are scalars whose SIGN depends on which feature?
AThe angle θ with x-axis
BThe magnitude only
CNo factor
DOnly the unit chosen
Answer & Solution
Correct answer: A. The angle θ with x-axis
NCERT §3.5 last paragraph: A_x = A cos θ can be +ve, -ve or zero depending on θ. Sign carries direction info.
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