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A thin uniform rod, pivoted at , is rotating in the horizontal plane with constant angular speed , as shown in the figure. At time, , a small insect starts from  and moves with constant speed  with respect to the rod towards the other end. It reaches the end of the rod at  and stops. The angular speed of the system remains  throughout. The magnitude of the torque  on the system about , as a function of time is best represented by which plot

a)b)c)d)


Question ID - 100184 | Top Ranker Answer | SaraNextGen

A thin uniform rod, pivoted at , is rotating in the horizontal plane with constant angular speed , as shown in the figure. At time, , a small insect starts from  and moves with constant speed  with respect to the rod towards the other end. It reaches the end of the rod at  and stops. The angular speed of the system remains  throughout. The magnitude of the torque  on the system about , as a function of time is best represented by which plot

a)b)c)d)

1 Answer - 5876 Votes

3537

Answer Key : (b) -

(b)

Angular momentum about rotational axis

Torque



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