ECAT Pre Computer Science Chapter 5 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 5 Circular Motion

Try The MCQ's Test For ECAT Physics Chapter 5 Circular Motion

  • Total Questions15

  • Time Allowed20

Start Test Download PDF

ECAT Physics Chapter 5 Circular Motion

00:00
Question # 1

A rotating body tends to be slower, when its angular acceleration is:

Question # 2

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

Question # 3

Final velocity of a hoop is __________ the final velocity of a disc having same mass and radius on coming down an inclined plane.

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

Einstein's theory about gravity if better than Newton's because it gave explanation of:

Question # 6

Conventionally the angular velocity is directed at an angle of

Question # 7

Conventional the angular Velocity is Directed at an angle of:

Question # 8

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

Question # 9

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:

Question # 10

One radian is

Question # 11

Radian is defined as the angle subtended at the center of a circle by an arc of:

Question # 12

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:

Question # 13

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 # 14

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

Question # 15

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

Submit

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


Topic Test

00:00
Submit

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

  • A
    ali moid 21 - Jul - 2024 00 Min 36 Sec 60/60
  • D
    dark goblin 10 - Jul - 2024 00 Min 40 Sec 60/60
  • H
    Hussain Iqbal 27 - Jan - 2026 01 Min 17 Sec 60/60
  • M
    Manoush Fatima 29 - May - 2024 03 Min 49 Sec 60/60
  • Z
    Zain hassan Zain 22 - May - 2024 01 Min 55 Sec 55/60
  • A
    Abdullah Baloch 01 - Aug - 2024 03 Min 09 Sec 55/60
  • M
    Mian House 30 - May - 2024 05 Min 25 Sec 55/60
  • M
    Muhammad Hashim 31 - May - 2024 02 Min 07 Sec 50/60
  • T
    Tasser Haider 31 - May - 2024 02 Min 22 Sec 50/60
  • Q
    Qasim Rashid 15 - Apr - 2024 07 Min 29 Sec 50/60
  • S
    suzi 09 - Feb - 2026 01 Min 49 Sec 48/60
  • K
    khawar saleemi 27 - Sep - 2024 02 Min 16 Sec 45/60
  • A
    Ahmad Khan 25 - Aug - 2024 08 Min 59 Sec 45/60
  • M
    M.Faiq 18 - May - 2024 02 Min 11 Sec 40/60
  • A
    Asad watto 02 - Jun - 2024 03 Min 11 Sec 40/60

ECAT Physics Chapter 5 Important MCQ's

Sr.# Question Answer
1 A flywheel accelerates from rest to an angular velocity of 7 rad/sec in 7 seconds. Its average acceleration will be:
A. 49 rad/sec2
B. 1 rad/sec2
C. 0.16 rev/sec2
D. Both A and C
2 Centripetal acceleration is also called ________ acceleration
A. Tangential
B. Radial
C. Angular
D. None of these
3 The center of mass of a sphere lies at:
A. The axis of the sphere
B. Circumference of sphere
C. Center of the sphere
D. None of them
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
A. 0.05 m
B. 0.08 cm
C. 0.8 m
D. 0.008 m
5 A body can have constant velocity when it follows:
A. A circular path
B. A rectilinear path
C. Trajectory of a projectile
D. None of these
6 One radian is equal to:
A. 30.3°
B. 45.3°
C. 50.3°
D. 57.3°
7 The rear wheels of an automobile are rev/sec which is reduced to 38 rad/sec in 5 seconds when brakes are applied. Its angular acceleration is:
A. 5 rad/sec2
B. -10 rav/sec2
C. -10 rad/sec2
D. -5 rav/sec2
8 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
9 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. 980 N
B. 580 N
C. 1380 N
D. Zero
10 One radian is:
A. Greater than one degree
B. Less than one degree
C. Equal to one degree
D. None of them

Test Questions

Is this page helpful?