Question

parar
(A)
€
(B)
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 1

Answer:

Explanation:

As angular velocity determined by right hand thumb rule, hence for anticlockwise direction its downword.. however if angular speed decreases angular accleration gets opposite direction that is upword.. hence option B is correct