Welcome to your Rotational Motion -3
1.
Angular velocity in rigid body rotation is
3.
If r₁ > r₂, then linear velocities satisfy
4.
If no external force acts, CM moves with
5.
A point lying on the axis of rotation
6.
Spinning top does not fall immediately because
7.
In rotation about a fixed axis, every particle of the body moves in
8.
Internal forces can change CM motion
9.
Centre of mass of a rigid body
10.
In absence of gravity, a spinning top will
11.
Rolling motion is a combination of
12.
In rolling motion, velocity of contact point is
13.
Direction of angular velocity is given by
14.
The axis of a spinning top is
15.
If ω doubles, linear velocity becomes
16.
The plane of circular motion of particles in fixed-axis rotation is
17.
Centripetal acceleration acts
18.
If two masses are equal, CM is
19.
The centre of circular path of any particle lies
20.
If angular velocity is constant, angular acceleration is
21.
Precession occurs due to
22.
Precession rate depends on
24.
In precession, the axis of rotation
25.
A rotating pedestal fan shows
26.
Linear velocity of a particle in rotation depends on
27.
A spinning top touching ground at one point shows
28.
If torque is zero, angular momentum is
29.
Rolling without slipping requires
30.
Translation + rotation implies CM
31.
Best description of rigid body motion is
32.
A rigid body rotating about z-axis has motion equivalent to
33.
In a spinning top, the point of contact with ground is
34.
Linear velocity vector is always
35.
For a point on axis, centripetal acceleration is
36.
Angular displacement is measured in
37.
In oscillating fan, which point remains fixed?
38.
If angular speed increases, precession becomes
39.
CM can lie outside body for
40.
For two-particle system, CM lies
41.
Precession is a characteristic of
42.
For a spinning top, instantaneous axis passes through
43.
Rotation about fixed axis implies CM
44.
Precession is observed only when
45.
Motion of CM depends on
