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class 11
| physics
| circular motion
Solutions for all the questions from class 11
of subject physics
of chapter circular motion
CLASS
class 10
class 11
class 12
class 6
class 7
class 8
class 9
SUBJECT
physics
CHAPTER
calorimetry
capacitor
center of mass
centre of mass
centre of mass linear momentum
centre of mass linear momentum and collision
circular motion
collision
current electricity
electrostatics
View All ↓
Class 11
Physics
Mechanics
Circular Motion
A small coin of mass
8
0
g
is placed on the horizontal surface of a rotating disc. The disc starts from rest and is given a constant angular acceleration
α
=
2
r
a
d
/
s
2
.
The coefficient of static friction between the coin and the disc is
μ
s
=
3
/
4
and cofficient of kinetic friction is
μ
k
=
0
.
5
.
The coin is placed at a distance
r
=
1
m
from the centre of the disc. The magnitude of the resultant force on the coin exerted by the disc just before it starts slipping on the disc is
Class 11
Physics
Mechanics
Circular Motion
A box is placed on the floor of a truck moving with an acceleration of
7
m
s
2
.
I
f
the coeffecient of kenetic friction between the box and surface of the truck is
0
.
5
,
f
i
n
d
the acceleration of the box relative to the truck
Class 11
Physics
Mechanics
Circular Motion
A mass 1kg attached to the end of a flexible rope of diameter
d
=
0
.
2
5
m
i
s
raised vertically by winding the rope on a reel as shown. If the reel is turned uniformly at the rate of
2
r
.
p
.
s
.
What is the tension in rope. The inertia of rope may be neglected.
Class 11
Physics
Mechanics
Circular Motion
Three masses of
1
6
k
g
,
8
k
g
and
4
k
g
are placed in contact as shown in Figure. If a force of
1
4
0
N
is applied on
4
k
g
mass, then the force on
1
6
k
g
will be
Class 11
Physics
Mechanics
Circular Motion
A heavy uniform chain lies on horizantal table top. If the coefficient of friction between the chain and the table surface is
0
.
5
, the maximum percentage of the length of the chain that can hang over one edge of the table is
Class 11
Physics
Mechanics
Circular Motion
A coin, placed on a rotating turntable slips, when it is placed at a distance of
9
c
m
from the center. If the angular velocity of the turnable is tripled, it will just slip, If its distance from the center is
Class 11
Physics
Mechanics
Circular Motion
A particle is projected horizontally from the top of a tower with a velocity
v
0
.
If v be its velocity at any instant, then the radius of curvature of the path of the particle at that instant is directely proportional to
1
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class 11
| physics
| circular motion
Solutions for all the questions from class 11
of subject physics
of chapter circular motion
Filter Results
CLASS
class 10
class 11
class 12
class 6
class 7
class 8
class 9
SUBJECT
physics
CHAPTER
calorimetry
capacitor
center of mass
centre of mass
centre of mass linear momentum
centre of mass linear momentum and collision
circular motion
collision
current electricity
electrostatics
View All ↓
Class 11
Physics
Mechanics
Circular Motion
A small coin of mass
8
0
g
is placed on the horizontal surface of a rotating disc. The disc starts from rest and is given a constant angular acceleration
α
=
2
r
a
d
/
s
2
.
The coefficient of static friction between the coin and the disc is
μ
s
=
3
/
4
and cofficient of kinetic friction is
μ
k
=
0
.
5
.
The coin is placed at a distance
r
=
1
m
from the centre of the disc. The magnitude of the resultant force on the coin exerted by the disc just before it starts slipping on the disc is
Class 11
Physics
Mechanics
Circular Motion
A box is placed on the floor of a truck moving with an acceleration of
7
m
s
2
.
I
f
the coeffecient of kenetic friction between the box and surface of the truck is
0
.
5
,
f
i
n
d
the acceleration of the box relative to the truck
Class 11
Physics
Mechanics
Circular Motion
A mass 1kg attached to the end of a flexible rope of diameter
d
=
0
.
2
5
m
i
s
raised vertically by winding the rope on a reel as shown. If the reel is turned uniformly at the rate of
2
r
.
p
.
s
.
What is the tension in rope. The inertia of rope may be neglected.
Class 11
Physics
Mechanics
Circular Motion
Three masses of
1
6
k
g
,
8
k
g
and
4
k
g
are placed in contact as shown in Figure. If a force of
1
4
0
N
is applied on
4
k
g
mass, then the force on
1
6
k
g
will be
Class 11
Physics
Mechanics
Circular Motion
A heavy uniform chain lies on horizantal table top. If the coefficient of friction between the chain and the table surface is
0
.
5
, the maximum percentage of the length of the chain that can hang over one edge of the table is
Class 11
Physics
Mechanics
Circular Motion
A coin, placed on a rotating turntable slips, when it is placed at a distance of
9
c
m
from the center. If the angular velocity of the turnable is tripled, it will just slip, If its distance from the center is
Class 11
Physics
Mechanics
Circular Motion
A particle is projected horizontally from the top of a tower with a velocity
v
0
.
If v be its velocity at any instant, then the radius of curvature of the path of the particle at that instant is directely proportional to
1
Previous
page
1 / 1
You're on page
1
Next
page
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