(A) : The angular momentum of a particle w.r.t origin moving parallel to x-axis with constant velocity is constant.
(R ) : There is no change in the perpendicular distance of the particle from the origin when it travels prallel to x-axis.

Options

A. Both (A) and (R ) are true and (R ) is the correct explanation of (A)
B. Both (A) and (R ) are true and (R ) is not the correct explanation of (A)
C. (A) is true but (R ) is false
D. Both (A) and (R ) are false

Answer

A