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Recent questions tagged center of mass
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votes
1
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A circular wooden loop of mass m and radius R rest on a flat horizontal friction less surface.
asked
Mar 15, 2019
in
JEE
by
kratos
work
dynamics
class-11
jee
energy and power
center of mass
jee mains
electromagnetism
linear momentum
magnetism
induction
+1
vote
1
answer
A bucket contains water filled up to a height = 15 cm. The bucket is tied to a rope which is passed over a friction less light
asked
Mar 7, 2019
in
JEE
by
kratos
work
fluid mechanics
class-11
jee
energy and power
center of mass
jee mains
linear momentum
+2
votes
1
answer
A projectile of range R bursts at its highest point in two fragments. Both pieces at the time of bursts have the velocity in the horizontal direction.
asked
Feb 13, 2019
in
JEE
by
kratos
motion in plane
irodov
momentum
class-11
jee
motion in two dimension
center of mass
laws of conservation of energy
jee mains
linear momentum
motion in a plane
+2
votes
1
answer
The center of mass of a system of particles ******* at the same place if:
asked
Jan 31, 2019
in
Mathematics
by
kratos
linear momentum
center of mass
+2
votes
1
answer
What does the airbag, used for safety of car driver, contain?
asked
Jan 29, 2019
in
Class 11
by
kratos
class-8
class-11
nsec
road safety education
center of mass
class-9
time and speed
gaseous state
linear momentum
distance
+3
votes
1
answer
If the total momentum of a system is changing: A. particles of the system must be exerting forces on each other
asked
Jan 28, 2019
in
Mathematics
by
kratos
linear momentum
center of mass
+3
votes
1
answer
Assertion : There is no loss in energy in elastic collision Reason : Linear momentum is conserved in elastic collision
asked
Jan 24, 2019
in
Class 11
by
kratos
work
work energy and power
class-11
energy and power
center of mass
aiims 2019
linear momentum
+3
votes
1
answer
A light rope passes over a light friction less pulley attached to the ceiling.
asked
Jan 11, 2019
in
Mathematics
by
kratos
linear momentum
center of mass
+1
vote
1
answer
Force of friction between two bodies is .
asked
Dec 18, 2018
in
JEE
by
kratos
irodov
class-8
momentum
jee
pressure
center of mass
force
jee mains
linear momentum
impulse
dynamics of a solid body
+1
vote
1
answer
The center of mass of the system consisting of Earth, the Sun, and the planet Mars is:
asked
Nov 2, 2018
in
Mathematics
by
kratos
linear momentum
center of mass
+3
votes
1
answer
What did the young man notice in trains and buses afterwards?
asked
Oct 26, 2018
in
Class 12
by
kratos
the heritage of india
what is amiss with us
class-10
center of mass
linear momentum
class-12
+2
votes
1
answer
Two objects, P and Q, have the same momentum. Q has more kinetic energy than P if it:
asked
Oct 24, 2018
in
Mathematics
by
kratos
center of mass
linear momentum
+2
votes
1
answer
A body of mass m moving with velocity V makes a head-on elastic collision with another body of mass 2m which is initially at rest.
asked
Oct 23, 2018
in
Class 11
by
kratos
work energy and power
class-11
center of mass
aiims 2019
linear momentum
+3
votes
1
answer
A light string passes over a friction less pulley. To one of its ends a mass of 6 kg is attached and to its other end a mass of 10 kg is attached.
asked
Oct 21, 2018
in
JEE
by
kratos
dynamics
class-11
jee
center of mass
jee mains
linear momentum
laws of motion
+2
votes
1
answer
A 2.0-kg block is attached to one end of a spring with a spring constant of 100 N/m and a 4.0-kg block is attached to the other end.
asked
Oct 19, 2018
in
Mathematics
by
kratos
linear momentum
center of mass
+2
votes
1
answer
The center of mass of Earth’* atmosphere is: A. a little less than halfway between Earth’* surface
asked
Oct 5, 2018
in
Mathematics
by
kratos
linear momentum
center of mass
+1
vote
1
answer
A 50 kg person stand on a 25 kg platform. He pulls on the rope which is attached to the platform via the friction less pulleys as shown in the figure.
asked
Sep 28, 2018
in
JEE
by
kratos
dynamics
forces
class-11
jee
kinematics
class-10
rotational mechanics
center of mass
jee mains
linear momentum
laws of motion
+3
votes
1
answer
A block is attached to each end of a rope that passes over a pulley suspended from the ceiling.
asked
Sep 28, 2018
in
JEE
by
kratos
dynamics
jee
rotation
center of mass
jee mains
linear momentum
laws of motion
+3
votes
1
answer
For a two-body collision involving objects with different masses, a frame of reference which has the same velocity
asked
Sep 19, 2018
in
Mathematics
by
kratos
linear momentum
center of mass
+3
votes
1
answer
A 0.50 kg air track glider is attached to the end of the track by a spring that has a constant of 20.0 N/m.
asked
Sep 13, 2018
in
JEE
by
kratos
momentum
oscillations
jee
center of mass
simple harmonic motion
jee mains
linear momentum
impulse
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