The angular acceleration of particle moving along a circular path with uniform speed
A uniform but non zero
B zero
C variable
D such as can not be predicted from given information
The angular acceleration of particle moving along a circular path with uniform speed
A uniform but non zero
B zero
C variable
D such as can not be predicted from given information

The correct option is B zero
The velocity of the particle is constant i.e \mathrm{v}= constant
Using \mathrm{v}=\mathrm{rw} \quad \Longrightarrow \mathrm{w}= constant
\therefore Angular acceleration \quad a=\frac{\mathrm{dw}}{\mathrm{dt}}=0