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Recent questions tagged system of particles
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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
+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
+3
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
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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
+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
+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
+3
votes
1
answer
Suppose a boy is enjoying a ride on a merry-go-round which is moving with a constant speed of 10 m *^–1.
asked
Apr 1, 2019
in
Class 11
by
kratos
first flight
motion
system of particles
rotational motion
force and motion
cbse
class-11
class-9
class-7
class-10
madam rides the bus
gravitation
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vote
0
answers
(a) A child stands at the centre of a turntable with his two arms outstretched. The turntable is set rotating with an angular speed of 40 rev/min.
asked
Apr 1, 2019
in
Class 11
by
kratos
system of particles
rotational motion
class-11
+1
vote
1
answer
A body of mass ‘m’ is moving with a velocity ‘V” about an axis at a distance of T from the axis.
asked
Apr 1, 2019
in
Class 12
by
kratos
system of particles
rotational motion
neet
class-11
aiims
+3
votes
1
answer
A circular ring and a circular disc of the same radius have the same moments of inertia about axis passing through
asked
Mar 31, 2019
in
Class 11
by
kratos
system of particles
rotational motion
class-11
+1
vote
1
answer
Find gravitational field at a distance of 2000 km from centre of earth. (Given Rearth = 6400 km, r = 2000 km, Mearth = 6 × 10^24 kg) :
asked
Mar 31, 2019
in
JEE
by
kratos
system of particles
rotational motion
class-11
jee
gravitational field
jee mains
gravitation
+3
votes
1
answer
A loop of radius 2 m weights 100 kg. It rolls along a horizontal floor so that its centre
asked
Mar 31, 2019
in
Class 12
by
kratos
system of particles
rotational motion
class-11
neet
+2
votes
1
answer
Define the radius of gyration.
asked
Mar 29, 2019
in
Class 11
by
kratos
class-11
system of particles
rotational motion
+1
vote
1
answer
The instantaneous speed of the point of contact during rolling is zero.
asked
Mar 28, 2019
in
Class 12
by
kratos
system of particles
rotational motion
neet
class-11
aiims
+1
vote
1
answer
A planet travels in an elliptical orbit about a star X as shown. The magnitude of the acceleration of the planet is:
asked
Mar 28, 2019
in
JEE
by
kratos
system of particles
rotational motion
class-11
jee
jee mains
gravitation
+2
votes
1
answer
Torques of equal magnitude are applied to a hollow cylinder and a solid sphere
asked
Mar 28, 2019
in
Class 11
by
kratos
system of particles
rotational motion
class-11
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