ECAT Pre General Science Physics Chapter 5 MCQ Test With Answer

Question # 1

A body moving along the circumference of a circle of radius R completes one revolution. The radius of a covered path to the angle subtended at the centre is:

Radius of the circle A
Twice the radius B
Thrice the radius C
None of these D

Question # 2

Satellites are held in orbits around Earth by its:

Gravitational field A
Magnetic field B
Own orbital motion C
Own spin motion D

Question # 3

Direction of angular momentum is determined by:

Right hand rule A
Head to tail rule B
Left hand rule C
None of them D

Question # 4

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

3 A
24 B
126 C
200 D

Question # 5

The net force acting on a 100 kg man standing in an elevator accelerating downward with a = 9.8 m sec^-2comes out to be

980 N A
580 N B
1380 N C
Zero D

Question # 6

The center of mass of a sphere lies at:

The axis of the sphere A
Circumference of sphere B
Center of the sphere C
None of them D

Question # 7

Centripetal acceleration is also called _______ acceleration:

Tangential A
Radial B
Angular C
None of them D

Question # 8

A car is turning around a corner at 10 m/sec as it travels along an arc of circle. If value of centripetal acceleration is 10 m/sec²in this case, find radius of the circular path:

1 m A
5 m B
10 m C
15 m D

Question # 9

The number of "Earth stations" which transmit signals to satellites and receive signals from them are:

3 A
24 B
126 C
200 D

Question # 10

Moment of inertia depends upon:

Mass A
Selection of axis of rotation B
Both of them C
None of these D

Question # 11

One radian is equal to:

30.3° A
45.3° B
50.3° C
57.3° D

Question # 12

Conventionally the angular velocity is directed to an angle of:

90° to the axis of rotation A
30° to the axis of rotation B
0° to the axis of rotation C
None of the above D

Question # 13

Centripetal acceleration is also called ________ acceleration

Tangential A
Radial B
Angular C
None of these D

Question # 14

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

Gravitational force A
Coulomb force B
Frictional force C
None of these D

Question # 15

Centripetal acceleration is also called ______ acceleration:

Tangential A
Radial B
Angular C
None of them D

Question # 16

A car is turning around a corner at 10 m/sec as it travels along an arc of a circle. If value of centripetal acceleration is 10 m/sec²in this case, find radius of the circular path:

1 m A
5 m B
10 m C
15 m D

Question # 17

A 1000 Kg car travelling with a speed of 90 km/hr turns around a curve of radius 0.1 km. The necessary centripetal force comes out to be:

8.1 X 10⁷N A
625 N B
6250 N C
None of these D

Question # 18

INTELSAT operates at frequencies 4, 6, 11, 14 having unit of:

KHz A
MHz B
GHz C
BHz D

Question # 19

Direction of motion _________ in circular motion

Changes off and on A
Changes continously B
Does not change C
None of them D

Question # 20

Which one is related to angular motion:

Moment of a force A
Moment of inertia B
Moment of momentum C
None of these D

Question # 21

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

Increase A
Decrease B
Remain constant C
None of these D

Question # 22

When a body moves with a constant speed in a circle:

No work is done on it A
No acceleration is produced in the body B
Velocity remains constant C
None of these D

Question # 23

One radian is equal to:

30.3° A
45.3° B
50.3° C
57.3° D

Question # 24

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

Increase A
Decrease B
Remains constant C
None of these D

Question # 25

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

Along the tangent A
Toward the centre B
Away from the centre C
None of them D

Question # 26

Angular velocity is a:

Scalar quantity A
Vector quantity B
Complex quantity C
None of these D

Question # 27

Conventionally the angular velocity is directed at an angle of

90° to the axis of rotation A
30° to the axis of rotation B
0° to the axis of rotation C
None of the above D

Question # 28

A toy car moves around a circular track of radius 0.3 m at the rate of 120 rev/min. The speed V of the car is:

38 m/sec A
3.8 m/sec B
0.6 m/sec C
None of these D

Question # 29

Centripetal force performs:

Maximum work A
Negative work B
Positive work C
None of these D

Question # 30

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:

10 m A
12 m B
13 m C
15 m D

Sr.#	Question	Answer
1	Einstein's theory about gravity if better than Newton's because it gave explanation of:	A. Inverse square law B. Bending of light C. Both A and B D. None of above
2	Conventionally the angular velocity is directed to an angle of:	A. 90° to the axis of rotation B. 30° to the axis of rotation C. 0° to the axis of rotation D. None of the above
3	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:	A. 10 m B. 12 m C. 13 m D. 15 m
4	Centripetal force performs:	A. Maximum work B. Negative work C. Positive work D. None of these
5	Which one is related to angular motion:	A. Moment of a force B. Moment of inertia C. Moment of momentum D. None of these
6	The number of countries who manage the largest satellite system is:	A. 3 B. 24 C. 126 D. 200
7	One radian is equal to:	A. 30.3° B. 45.3° C. 50.3° D. 57.3°
8	Which of the following pairs does not have identical dimensions?	A. Torque and energy B. Energy and work C. Momentum and impulse D. Mass and moment of inertia
9	The instantaneous acceleration of a body moving with constant speed in a circle:	A. Remains constant B. Is called centripetal acceleration C. Tangential acceleration D. None of these
10	When body moves along a circular path with constant speed, it has an acceleration, which is always directed;	A. Along the tangent B. Towards the centre C. Away from the centre D. None of them

Latest Educational News Stories

Pakistan's Largest Database of Colleges and Universities

BS Programs

University Past Papers

University Results

Exam Results 2024

Study Abroad Programs and Opportunities for Pakistani Students

ECAT Pre General Science Physics Chapter 5 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 5 Circular Motion

ECAT Pre General Science Physics Chapter 5 Circular Motion

A body moving along the circumference of a circle of radius R completes one revolution. The radius of a covered path to the angle subtended at the centre is:

Satellites are held in orbits around Earth by its:

Direction of angular momentum is determined by:

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

The net force acting on a 100 kg man standing in an elevator accelerating downward with a = 9.8 m sec-2comes out to be

The center of mass of a sphere lies at:

Centripetal acceleration is also called _______ acceleration:

A car is turning around a corner at 10 m/sec as it travels along an arc of circle. If value of centripetal acceleration is 10 m/sec2in this case, find radius of the circular path:

The number of "Earth stations" which transmit signals to satellites and receive signals from them are:

Moment of inertia depends upon:

One radian is equal to:

Conventionally the angular velocity is directed to an angle of:

Centripetal acceleration is also called ________ acceleration

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

Centripetal acceleration is also called ______ acceleration:

A car is turning around a corner at 10 m/sec as it travels along an arc of a circle. If value of centripetal acceleration is 10 m/sec2in this case, find radius of the circular path:

A 1000 Kg car travelling with a speed of 90 km/hr turns around a curve of radius 0.1 km. The necessary centripetal force comes out to be:

INTELSAT operates at frequencies 4, 6, 11, 14 having unit of:

Direction of motion _________ in circular motion

Which one is related to angular motion:

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

When a body moves with a constant speed in a circle:

One radian is equal to:

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

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

Angular velocity is a:

Conventionally the angular velocity is directed at an angle of

A toy car moves around a circular track of radius 0.3 m at the rate of 120 rev/min. The speed V of the car is:

Centripetal force performs:

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:

Prepare Complete Set Wise ECAT Pre General Science Physics Chapter 5 Circular Motion MCQs Online With Answers

Set 1

Set 2

Set 3

Topic Test

Top Scorers Of ECAT Pre General Science Physics Chapter 5 Circular Motion MCQ`s Test

ECAT Physics Chapter 5 Important MCQ's

Test Questions

Is this page helpful?

The net force acting on a 100 kg man standing in an elevator accelerating downward with a = 9.8 m sec^-2comes out to be

A car is turning around a corner at 10 m/sec as it travels along an arc of circle. If value of centripetal acceleration is 10 m/sec²in this case, find radius of the circular path:

A car is turning around a corner at 10 m/sec as it travels along an arc of a circle. If value of centripetal acceleration is 10 m/sec²in this case, find radius of the circular path: