The spool shown in the figure is placed on a rough horizontal surface and has inner radius 
and outer radius 
. The angle 
between the applied force and the horizontal can be varied. The critical angle (
for which the spool does not roll and remains stationary is given by
.png)
a)
b)
c)
d)
and outer radius . The angle between the applied force and the horizontal can be varied. The critical angle ( for which the spool does not roll and remains stationary is given bya)
b)
c)
d)
Question ID - 100262 | SaraNextGen Top Answer The spool shown in the figure is placed on a rough horizontal surface and has inner radius and outer radius . The angle between the applied force and the horizontal can be varied. The critical angle ( for which the spool does not roll and remains stationary is given by
a)
b)
c)
d)
The spool shown in the figure is placed on a rough horizontal surface and has inner radius and outer radius . The angle between the applied force and the horizontal can be varied. The critical angle ( for which the spool does not roll and remains stationary is given by
|
a) |
|
b) |
|
c) |
|
d) |
|
1 Answer
127 votes
Answer Key / Explanation : (a) -
(a)
If the spool is not to translate,
…(i)
If the spool is not to rotate,
…(ii)
.png)
or 
or 
Also the line of action of 
should pass through the bottom most point
127 votes
Answer Link
127