Welcome to your Rotational Motion -3
1.
Angular displacement is measured in
3.
If no external force acts, CM moves with
4.
Centripetal acceleration acts
5.
A point lying on the axis of rotation
6.
Linear velocity of a particle in rotation depends on
7.
The centre of circular path of any particle lies
8.
Rolling without slipping requires
9.
Angular velocity in rigid body rotation is
10.
If angular velocity is constant, angular acceleration is
11.
For two-particle system, CM lies
12.
Precession is a characteristic of
13.
Internal forces can change CM motion
14.
Precession occurs due to
15.
Spinning top does not fall immediately because
16.
If r₁ > r₂, then linear velocities satisfy
17.
If angular speed increases, precession becomes
18.
The axis of a spinning top is
19.
In oscillating fan, which point remains fixed?
20.
In rotation about a fixed axis, every particle of the body moves in
21.
A rigid body rotating about z-axis has motion equivalent to
22.
The plane of circular motion of particles in fixed-axis rotation is
23.
Precession rate depends on
24.
If torque is zero, angular momentum is
25.
Linear velocity vector is always
26.
Motion of CM depends on
27.
A rotating pedestal fan shows
28.
Translation + rotation implies CM
29.
Rotation about fixed axis implies CM
30.
For a point on axis, centripetal acceleration is
31.
For a spinning top, instantaneous axis passes through
32.
Best description of rigid body motion is
33.
Rolling motion is a combination of
34.
In a spinning top, the point of contact with ground is
35.
Direction of angular velocity is given by
36.
Centre of mass of a rigid body
37.
In absence of gravity, a spinning top will
38.
In rolling motion, velocity of contact point is
39.
If two masses are equal, CM is
40.
CM can lie outside body for
41.
In precession, the axis of rotation
43.
Precession is observed only when
44.
If ω doubles, linear velocity becomes
45.
A spinning top touching ground at one point shows
