Welcome to your Rotational Motion -3
1.
If angular speed increases, precession becomes
2.
Precession occurs due to
3.
Rolling motion is a combination of
4.
Rotation about fixed axis implies CM
5.
Centripetal acceleration acts
6.
If no external force acts, CM moves with
7.
Precession rate depends on
8.
If torque is zero, angular momentum is
9.
For two-particle system, CM lies
10.
In rolling motion, velocity of contact point is
11.
A point lying on the axis of rotation
12.
If ω doubles, linear velocity becomes
13.
The centre of circular path of any particle lies
14.
If angular velocity is constant, angular acceleration is
15.
Precession is a characteristic of
16.
Spinning top does not fall immediately because
17.
Rolling without slipping requires
18.
In precession, the axis of rotation
19.
Angular displacement is measured in
20.
Linear velocity of a particle in rotation depends on
21.
In rotation about a fixed axis, every particle of the body moves in
22.
Precession is observed only when
23.
Best description of rigid body motion is
24.
The axis of a spinning top is
25.
In absence of gravity, a spinning top will
26.
Direction of angular velocity is given by
27.
A spinning top touching ground at one point shows
28.
If two masses are equal, CM is
29.
In oscillating fan, which point remains fixed?
30.
CM can lie outside body for
31.
If r₁ > r₂, then linear velocities satisfy
32.
Centre of mass of a rigid body
33.
A rigid body rotating about z-axis has motion equivalent to
34.
Angular velocity in rigid body rotation is
35.
For a point on axis, centripetal acceleration is
37.
For a spinning top, instantaneous axis passes through
38.
Translation + rotation implies CM
39.
Internal forces can change CM motion
40.
Linear velocity vector is always
42.
Motion of CM depends on
43.
The plane of circular motion of particles in fixed-axis rotation is
44.
In a spinning top, the point of contact with ground is
45.
A rotating pedestal fan shows
