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)
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)
(b)
Angular momentum about rotational axis
Torque