Question # 1

Moment of linear momentum is called.

Choose an answer

Moment arm

Moment of inertia

Inertia

Angular momentum

When body moves along a circular path with constant speed, it has an acceleration, which is always directed;

Choose an answer

Along the tangent

Towards the centre

Away from the centre

None of them

One radian is:

Choose an answer

Greater than one degree

Less than one degree

Equal to degree

none of these

A point on the rim of a wheel moves 0.2 m when the wheel turns through an angle of 14.3 degrees. The radius of the wheel is:

Choose an answer

0.05 m

0.08 m

0.8 m

0.008 m

Direction of motion _________ in circular motion

Choose an answer

Changes off and on

Changes continously

Does not change

None of them

A stone tied to the end of a 20 cm long string is whirled in a horizontal circle. If centripetal acceleration is 9.8 m/sec², then its angular velocity is rad/sec is:

Choose an answer

22/7

7

14

21

Conventional the angular Velocity is Directed at an angle of:

Choose an answer

90° to the axis of rotation

30° to the axis of rotation

0° to the axis of rotation

None of above

A disc rolls down a hill and its speed at bottom is found to be 11.4 m/sec. Height of the hill is then nearly:

Choose an answer

10 m

12 m

13 m

15 m

In case of planets, the necessary acceleration is provided by:

Choose an answer

Gravitational force

Coulomb force

Frictional force

None of these

One radian is equal to:

Choose an answer

30.3°

45.3°

50.3°

57.3°

A stone is tied to the end of a 20 cm along string is whirled in a horizontal circle.

if centripetal acceleration is 9.8 m/sec², then its angular velocity in rad/sec is:

Choose an answer

22/7

7

14

21

Direction of motion ______ in circular motion:

Choose an answer

Changes off and on

Changes continuously

Does not change

None of them

One radian is:

Choose an answer

Greater than one degree

Less than one degree

Equal to one degree

None of these

The useful unit of angular replacement in SI unit is:

Choose an answer

Degree

Revolution

Radian

Metre

A flywheel accelerates from rest to an angular velocity of 7 rad/sec in 7 seconds. Its average acceleration will be:

Choose an answer

49 rad/sec²

1 rad/sec²

0.16 rev/sec²

Both A and C

Both B and C

Direction of motion_______ in circular of motion:

Choose an answer

Changes off and on

Changes continuously

Does not change

None of them

The number of "Earth Stations" which transmit signals to satellites and receive signals fro them are

Choose an answer

3

24

126

200

If a gymnast sitting on a rotating stool with his arms outstretched, brings his arms towards the chest, then its angular velocity will

Choose an answer

Increase

Decrease

Remain constant

None of these

The number of countries who manage the largest satellite system is:

Choose an answer

3

24

126

200

More Classes

Other Links

Physics ECAT Pre Engineering Chapter 5 Circular Motion Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer