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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
A body moving along the circumference of a circle of radius R completes one revolution. The radius of the covered path to the angle subtended at the center is:
Question # 2
A rotating body tends to be slower, when its angular acceleration is:
Question # 3
Centripetal acceleration is also called ________ acceleration
Question # 4
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:
Question # 5
______ plays the same role during angular motion as played by the mass in linear motion
Question # 6
Direction of motion _______ in circular motion
Question # 7
A stone is tied to the end of a 20 cm along string is whirled in a horizontal circle.
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:
Question # 8
Which one is related to angular motion:
Question # 9
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:
Question # 10
Satellites are held in orbits around Earth by its:
Question # 11
Direction of motion _________ in circular motion
Question # 12
One radian is
Question # 13
One radian is:
Question # 14
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
Question # 15
Radian is defined as the angle subtended at the center of a circle by an arc 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 -
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Z zeeshan khan 27 - Oct - 2024 12 Min 38 Sec 35/60
ECAT Physics Chapter 5 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | INTELSAT operates at frequencies 4, 6, 11, 14 having unit of |
A. KHz
B. MHz
C. GHz
D. BHz
|
| 2 | Satellites are held in orbits around Earth by its: |
A. Gravitational field
B. Magnetic field
C. Own orbital motion
D. Own spin motion
|
| 3 | 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
|
| 4 | The useful unit of the angular displacement in SI unit is: |
A. Degree
B. Revolution
C. Radian
D. Metre
|
| 5 | 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
|
| 6 | Angular velocity is a: |
A. Scalar quantity
B. Vector quantity
C. Complex quantity
D. None of these
|
| 7 | The angular speed of a particle moving along a circular path is 5 Pie rad sec-1, Its period of motion is: |
A. 2.5 sec
B. 0.06 sec
C. 15.7 sec
D. 0.4 sec
|
| 8 | When angular acceleration is positive, the body rotates: |
A. Slower
B. Slowest
C. Faster
D. None of these
|
| 9 | Centripetal acceleration is also called ______ acceleration |
A. Tangential
B. Radial
C. Angular
D. None of them
|
| 10 | An axis of rotation |
A. Is a straight line
B. Is normal to the plane of rotation
C. Passes through pivot point O
D. All of them
|
Test Questions
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Ahmed Qureshi
14 Feb 2018wt