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A bob of mass m attached to an inextensible string of length l is suspended from a veritable support. The bob rotates in a horizontal circle with an angular speed ω rad s_{-1} about the particle about the point of suspension

(A) Angular momentum changes both in direction and magnitude.

(B) Angular momentum is conserved

(C) Angular momentum changes in magnitude but not in direction.

(D) Angular momentum changes in direction but not in magnitude.

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The correct answer of this question is (D) Angular momentum changes in direction but not in magnitude.

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