A-LevelPhysicsDynamics9702/12 · May/June 2010 · Q61 Mark
A vector quantity V is resolved into two perpendicular components X and Y. The angle between V and component X is θ. [Figure 6.1] The angle between component X and the vector V is increased from 0° to 90°. How do the magnitudes of X and Y change as the angle is increased in this way?
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
AX: increase, Y: increase
BX: increase, Y: decrease
CX: decrease, Y: increase
DX: decrease, Y: decrease
✓ Correct answer
C: X: decrease, Y: increase
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