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(D) The angular acceleration $\alpha$ is defined as the rate of change of angular velocity $\omega$ with respect to time $t$,i.e.,$\alpha = \frac{d\om

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Data insufficient

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(D) The angular acceleration $\alpha$ is defined as the rate of change of angular velocity $\omega$ with respect to time $t$,i.e.,$\alpha = \frac{d\omega}{dt}$.From the given graph,we can determine the change in angular acceleration over time,but we have no information regarding the initial angular velocity $\omega_0$ at $t = 0$.Since the sense of rotation depends on the sign of the angular velocity $\omega(t) = \omega_0 + \int \alpha dt$,and $\omega_0$ is unknown,it is impossible to determine the direction of rotation (clockwise or anti-clockwise) from the given graph alone.Therefore,the data provided is insufficient to conclude the sense of rotation.

The variation of angular acceleration $\alpha$ of a point on a rigid body rotating about a fixed axis with time $t$ is shown in the figure. What is the sense of rotation of the rod? (Assume clockwise as negative)

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