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MCQ's Test For Physics ECAT Pre Engineering Chapter 5 Circular Motion
Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 5 Circular Motion
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Total Questions15
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Time Allowed20
Physics ECAT Pre Engineering Chapter 5 Circular Motion
00:00
Question # 1
One radian is:
Question # 2
When a body moves with a constant speed in a circle:
Question # 3
One radian is equal to:
Question # 4
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:
Question # 5
In rotational motion, analogue of force F us called:
Question # 6
Conventionally the angular velocity is directed to an angle of:
Question # 7
Radian is defined as the angle subtended at the center of a circle by an arc of:
Question # 8
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:
Question # 9
When a body moves with a constant speed in a circle:
Question # 10
Which one is related to angular motion:
Question # 11
The number of countries who manage the largest satellite system is:
Question # 12
The number of "Earth stations" which transmit signals to satellites and receive signals from them are:
Question # 13
The useful unit of the angular displacement in SI unit is:
Question # 14
Centripetal acceleration is also called ______ acceleration
Question # 15
Einstein's theory about gravity if better than Newton's because it gave explanation of:
Top Scorers Of Physics ECAT Pre Engineering Chapter 5 Circular Motion MCQ`s Test
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M M Umer Arain 06 - Nov - 2024 00 Min 15 Sec 55/60 -
M Muhammad Rameez 15 - Sep - 2024 02 Min 50 Sec 55/60 -
A Abdullah Zubair 18 - Dec - 2024 06 Min 29 Sec 50/60 -
A Aarij 09 - Dec - 2024 01 Min 36 Sec 45/60 -
H Hanan Cheema 31 - Dec - 2024 03 Min 50 Sec 45/60 -
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Z zeeshan khan 27 - Oct - 2024 12 Min 38 Sec 35/60 -
H Hp_Probook_4540s Fauji 17 - Nov - 2024 18 Min 21 Sec 35/60 -
S Samia 786 08 - Dec - 2025 04 Min 57 Sec 32/60
ECAT Physics Chapter 5 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | A rotating body tends to be slower, when its angular acceleration is: |
A. Positive
B. Negative
C. Zero
D. Infinity
|
| 2 | Centripetal force performs: |
A. Maximum work
B. Negative work
C. Positive work
D. None of these
|
| 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:
|
A. 22/7
B. 7
C. 14
D. 21
|
| 4 | Final velocity of a hoop is __________ the final velocity of a disc having same mass and radius on coming down an inclined plane. |
A. Greater than
B. smaller than
C. Equal to
D. None of these
|
| 5 | One radian is: |
A. Greater than one degree
B. Less than one degree
C. Equal to degree
D. none of these
|
| 6 | ______ plays the same role during angular motion as played by the mass in linear motion |
A. Torque
B. Angular Momentum
C. Moment of a force
D. Moment of inertia
|
| 7 | Direction of motion ______ in circular motion: |
A. Changes off and on
B. Changes continuously
C. Does not change
D. None of them
|
| 8 | When angular acceleration is positive, the body rotates: |
A. Slower
B. Slowest
C. Faster
D. None of these
|
| 9 | One radian is |
A. Greater than one degree
B. Less than one degree
C. Equal to one degree
D. None of these
|
| 10 | 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. 1 m
B. 5 m
C. 10 m
D. 15 m
|
Test Questions
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Ahmed Qureshi
14 Feb 2018wt