|
A disc of radius R is rotating with an angular speed to
|
|
1
|
3363
|
December 23, 2016
|
|
A man stands on a rotating platform with his arms stretched
|
|
1
|
1562
|
December 23, 2016
|
|
Explain why friction is necessary to make the disc
|
|
1
|
1765
|
December 23, 2016
|
|
A uniform square plate S (side c) and a uniform rectangular plate R
|
|
1
|
2037
|
December 23, 2016
|
|
A wheel in uniform motion about an axis passing through its centre
|
|
1
|
912
|
December 23, 2016
|
|
A uniform circular disc of radius R
|
|
1
|
3092
|
December 23, 2016
|
|
A solid cylinder of mass 20 kg rotates about its axis with angular speed (100 rad/s)
|
|
1
|
1793
|
December 23, 2016
|
|
If ice on poles melts, then what is change in duration of day?
|
|
0
|
1641
|
December 23, 2016
|
|
Why does a solid sphere have smaller moment of inertia
|
|
1
|
2202
|
December 23, 2016
|
|
A person is standing on a rotating table with metal spheres in his hands
|
|
1
|
5776
|
December 23, 2016
|
|
Two boys of the some weight sit at the opposite ends of a diameter
|
|
1
|
2564
|
December 23, 2016
|
|
If earth contracts to half its radius
|
|
1
|
8804
|
December 23, 2016
|
|
The speed of a whirl wind in a tornado is alarmingly high. Why?
|
|
0
|
8350
|
December 23, 2016
|
|
Explain how a cat is able to land on its feet after a fall taking
|
|
1
|
10081
|
December 23, 2016
|
|
A disc of radius R is removed from a disc of radius 2R as shown
|
|
1
|
2937
|
December 22, 2016
|
|
A beam of uniform cross-section and uniform mass-density of mass 20 kg is supported at ends
|
|
1
|
2456
|
December 22, 2016
|
|
Give the location of the centre of mass
|
|
1
|
2531
|
December 22, 2016
|
|
Figure shows versus graph far a particle moving along x-axis
|
|
1
|
1539
|
December 22, 2016
|
|
A car of weight 1800 kg
|
|
1
|
992
|
December 22, 2016
|
|
Find centre of mass of a triangular lamina
|
|
0
|
5848
|
December 22, 2016
|
|
A metre stick is balanced on a knife edge at its centre
|
|
1
|
1500
|
December 22, 2016
|
|
(n -1) equal point masses each of mass m are placed at the vertices of a regular n-polygon
|
|
1
|
2019
|
December 22, 2016
|
|
Does angular momentum of a body in translatory motion is zero?
|
|
0
|
2270
|
December 22, 2016
|
|
A cricket bat is cut through its centre of mass into two parts as shown
|
|
1
|
4313
|
December 22, 2016
|
|
In which case centre of mass of a body lie outside it? Give one example
|
|
0
|
1836
|
December 22, 2016
|
|
Is centre of mass and centre of gravity body always coincide?
|
|
0
|
1913
|
December 22, 2016
|