1 |
A body starting from rest attains angular acceleration of 5 rad s-2 in 2 second final angular velocity will be. |
10 rad s-1
7 rad s-1
3 rad s-1
2 rad s-1
|
2 |
Direction of angular acceleration is always along |
x-axis
y -axis
z-axis
The axis of rotation
|
3 |
The rate of change of angular velocity is called |
Angular velocity
Angular acceleration
Angular displacement
Angular speed
|
4 |
Angular acceleration is produced by |
Power
Torque
Pressure
Force
|
5 |
If a body is moving in the counter clockwise direction the direction of angular velocity will be |
Toward the centre
Away from the centre
along the linear velocity
Perpendicular to both radius and linear velocity
|
6 |
The time rate of change of angular displacements called. |
Linear velocity
Linear speed
Angular velocity
Angular speed
|
7 |
The direction of angular velocity is determined. |
Left hands rule
Head to tail rule
Right hand rule
General rule
|
8 |
When a particle is moving along a circular path its projection along the diameter executes |
Linear motion
Vibratory motion
Rotatory motion
SHM
|
9 |
The direction of angular velocity of along the |
Tangent at that point
Axis of rotation
Radius towards the centre
Radius away from the centre
|
10 |
The dimensions of angular velocity are |
[LT-1]
[LT-2]
[T-1]
[L-1T-1]
|
11 |
A wheel of radius 50 cm having an angular speed of a rad /s have linear speed. |
1.5 m/s
3.5 m/s
2.5 m/s
4.5 m/s
|
12 |
2 radian = ____ |
2 m
4 m
57.3 m
114.6 m
|
13 |
Which quantity of the following is dimensionless. |
Angular velocity
Centripetal force
Angular acceleration
Angular displacement
|
14 |
All point of the rigid body rotating about a fixed axis do not have same. |
Angular acceleration
Angular speed
speed
Angular displacement
|
15 |
The SI unit of angular displacement is. |
Degree
Revolution
Radian
Rotation
|
16 |
100 radians are equal to. |
57.3<sup>o</sup>
75.3<sup>o</sup>
573<sup>o</sup>
5730<sup>o</sup>
|
17 |
One revolution is equal to. |
90<sup>o</sup>
180<sup>o</sup>
360<sup>o</sup>
270<sup>o</sup>
|