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Recent questions tagged rotational motion
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Four spheres each of diameter 2a, and mass M are placed with their centres on the four corners of a square of side
asked
Apr 7, 2019
in
Class 12
by
kratos
system of particles
rotational motion
neet
jee main 2021
class-11
jee
aiims
jee main
+2
votes
1
answer
A ring of mass m and radius R has three particle attached to the ring and it is rolling on the surface as shown in the figure.
asked
Apr 7, 2019
in
JEE
by
kratos
system of particles
rotational motion
class-11
jee
rigid body dynamics
jee mains
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vote
1
answer
ABC is a triangular plate of uniform thickness. The sides are in the ratio shown in the figure. IAB, IBC and ICA are the moments
asked
Apr 7, 2019
in
Class 12
by
kratos
system of particles
rotational motion
neet
properties of triangles
jee
bseb model set
jee mains
class-12
+1
vote
1
answer
A wheel is rotating at 900 r.p.m. about its axis. When power is cut *** it comes to rest in 1 minute. The angular retardation in rad/*^2 is
asked
Apr 6, 2019
in
JEE
by
kratos
rotational motion
motion of system of particles
circular motion
class-11
jee
rigid bodies
rotational mechanics
jee mains
+2
votes
1
answer
What do you mean by equilibrium of rigid body ?
asked
Apr 6, 2019
in
Class 11
by
kratos
system of particles
rotational motion
class-11
+2
votes
1
answer
A solid cylinder rolls down an inclined plane without slipping. What fraction of its kinetic energy is translational?
asked
Apr 6, 2019
in
JEE
by
kratos
system of particles
rotational motion
class-11
jee
kvpy
jee mains
+3
votes
1
answer
Find the torque of a force vector F = -3i + j + 5k acting at the point vector r = 7i +3j + k.
asked
Apr 5, 2019
in
Class 12
by
kratos
system of particles
rotational motion
neet
motion of system of particles
class-11
rigid bodies
+2
votes
1
answer
A T ***** is formed by two identical rods A & B each of mass m & length L in the XY plane as shown.
asked
Apr 5, 2019
in
JEE
by
kratos
rotational motion
circular motion
class-11
jee
rotational mechanics
simple harmonic motion
jee mains
+3
votes
1
answer
Seven particles, each of mass m are placed at the seven corners of a cube of side 'a', but one corner is vacant, as shown in figure.
asked
Apr 5, 2019
in
Class 12
by
kratos
rotational motion
neet
class-11
jee
aiims
jee mains
gravitation
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vote
1
answer
A thin horizontal circular disc is rotating about a vertical axis passing through its centre.
asked
Apr 4, 2019
in
JEE
by
kratos
rotational motion
jee
jee mains
rotational motion and moment of inertia
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votes
1
answer
State and explain the law of conservation of angular momentum. Give two examples to illustrate the law.
asked
Apr 4, 2019
in
Class 11
by
kratos
system of particles
rotational motion
class-11
+2
votes
1
answer
Three discs A, B and C having radii 2, 4, and 6 cm respectively are coated with carbon *****.
asked
Apr 3, 2019
in
JEE
by
kratos
rotational motion
capacitors
jee main 2020
circular motion
class-11
jee
class-10
simple harmonic motion
jee mains
chemical reactions and equations
class-12
+2
votes
1
answer
Moment of inertia × angular acceleration equal to :
asked
Apr 3, 2019
in
JEE
by
kratos
rotational motion
motion of system of particles
class-11
jee
rigid body dynamics
rigid bodies
jee mains
bitsat
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vote
1
answer
If the radius of the earth is suddenly contracts to half of its present value, then the duration of day will be of
asked
Apr 2, 2019
in
JEE
by
kratos
system of particles
rotational motion
motion of system of particles
class-11
jee
rigid bodies
jee mains
gravitation
+3
votes
1
answer
Four particles of masses m, 2m, 3m and 4m are kept in sequence at the corners of a square of side a.
asked
Apr 2, 2019
in
JEE
by
kratos
rotational motion
jee
jee mains 2019
simple harmonic motion
jee mains
gravitation
heat
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vote
1
answer
A 1 kg block is executing simple harmonic motion of amplitude 0.1 m on a smooth horizontal surface under the restoring
asked
Apr 1, 2019
in
JEE
by
kratos
rotational motion
circular motion
class-11
jee
simple harmonic motion
jee mains
class-12
+3
votes
1
answer
The minimum impulse J required to bring it to rest:
asked
Apr 1, 2019
in
JEE
by
kratos
rotational motion
cbse
body fluids and circulation
circular motion
class-11
jee
simple harmonic motion
jee mains
+2
votes
0
answers
A non-uniform bar of weight W is suspended at rest by two strings of negligible weight as shown in Fig.
asked
Apr 1, 2019
in
Class 12
by
kratos
system of particles
rotational motion
neet
class-11
aiims
+3
votes
1
answer
From a uniform circular disc of radius R, a circular disc of radius R/6 and having centre at a distance + R/2 from the centre of the disc is removed.
asked
Apr 1, 2019
in
JEE
by
kratos
rotational motion
jee
jee mains
+2
votes
1
answer
A solid sphere is in rolling motion. In rolling motion a body possesses
asked
Apr 1, 2019
in
Class 12
by
kratos
system of particles
rotational motion
neet
class-11
aiims
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