A pulley of radius 2 m is rotating about its axis by a force |
|||||||
a) |
More than 3 but less than 6 |
b) |
More than 6 but less than 9 |
c) |
More than 9 |
d) |
Less than 3 |
A pulley of radius 2 m is rotating about its axis by a force |
|||||||
a) |
More than 3 but less than 6 |
b) |
More than 6 but less than 9 |
c) |
More than 9 |
d) |
Less than 3 |
(a)
When direction is reversed,
s
Now,
Number of rotations,