A disc of mass and radius
is rolling with angular speed
on a horizontal plane as shown Figure. The magnitude of angular momentum of the disc about the origin
is
a) |
|
b) |
|
c) |
|
d) |
|
A disc of mass and radius
is rolling with angular speed
on a horizontal plane as shown Figure. The magnitude of angular momentum of the disc about the origin
is
a) |
|
b) |
|
c) |
|
d) |
|
(c)
The disc has two types of motion, namely, translational and rotational. Therefore, there are two types of angular momentum and the total angular momentum is the sum of these two
angular momentum due to translational motion
angular momentum due to rotational motion about CM
about centre of mass
in case of rolling motion and surface at rest)