**Chapter 1 Rotational Dynamics Text book Solution**

**1. Choose the correct option.**

i) When seen from below, the blades of a ceiling fan are seen to be revolving anticlockwise and their speed is decreasing. Select correct statement about the directions of its angular velocity and angular acceleration.

(A) Angular velocity upwards, angular acceleration downwards.

(B) Angular velocity downwards, angular acceleration upwards.

(C) Both, angular velocity and angular acceleration, upwards.

(D) Both, angular velocity and angular acceleration, downwards.

**Answer:- ** (B) Angular velocity downwards, angular acceleration upwards.

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