A disc of circumference |
|
a) |
The angular acceleration of the disc will disappear, linear acceleration will remain unchanged |
b) |
Linear acceleration of the disc will increase |
c) |
The disc will make one rotation in time |
d) |
The disc will cover a distance greater than |
A disc of circumference |
|
a) |
The angular acceleration of the disc will disappear, linear acceleration will remain unchanged |
b) |
Linear acceleration of the disc will increase |
c) |
The disc will make one rotation in time |
d) |
The disc will cover a distance greater than |
(b,c,d)
Let external force,
force of friction between
and
=acceleration between
and
,
= acceleration beyond
Let angular acceleration between
and
For one rotation,
= time of travel from
to
Angular velocity at
For one rotation to the right of