A mass m is moving with a constant velocity along a line parallel to the x-axis, away from the origi

Question

A mass m is moving with a constant velocity along a line parallel to the x-axis, away from the origin. Its angular momentum with respect to the origin

Accepted Answer

= v = constant and

= r (say)
Angular momentum of the particle about origing O will be given by

or,

= L = mrv sin θ = mv(r sinθ) = mvh
Now, m, v and h all are constants.
Therefore, angular momentum of particle about origing will remain constant. The direction of

also remains the same (negative z).

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