Last Updated On [03-11-2023]
A disc is performing pure rolling on a smooth stationery surface with constant angular velocity as shown in figure. At any instant, for the lower most point of the disc
.png)
|
a) |
Velocity is |
|
b) |
Velocity is zero, acceleration is zero |
|
c) |
Velocity is |
|
d) |
Velocity is zero, acceleration is |
Question ID - 100499 :- A disc is performing pure rolling on a smooth stationery surface with constant angular velocity as shown in figure. At any instant, for the lower most point of the disc
a)
Velocity is 
, acceleration is zero
b)
Velocity is zero, acceleration is zero
c)
Velocity is 
, acceleration is 
d)
Velocity is zero, acceleration is 
A disc is performing pure rolling on a smooth stationery surface with constant angular velocity as shown in figure. At any instant, for the lower most point of the disc
|
a) |
Velocity is |
|
b) |
Velocity is zero, acceleration is zero |
|
c) |
Velocity is |
|
d) |
Velocity is zero, acceleration is |
(d)
As the disc is in combined rotation and translation, each point has a tangential velocity and a linear velocity in the forward direction
.png)
From the figure,
(for the lowest point)=
and acceleration 
(Since the linear speed is constant)
Next Question :
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A solid cylinder is placed on the end of an inclined plane. It is found that the plane can be tipped at an angle |
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a) |
3 |
b) |
|
c) |
1 |
d) |
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before the cylinder starts to slide. When the cylinder turn on its sides and is allowed to roll, it is found that the steepest angle at which the ctlinder performs pure rolling is 
. The ratio tan 
tan 
is
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