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 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 # 2

One radian is equal to:

Question # 3

Conventional the angular Velocity is Directed at an angle of:

Question # 4

The useful unit of the angular displacement in SI unit is:

Question # 5

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

Question # 6

When an object moves with a uniform angular velocity, then its instantaneous angular velocity is equal to:

Question # 7

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 # 8

The net force acting on a 100 kg man standing in an elevator accelerating downward with a = 0.8 m sec-2comes out to:

Question # 9

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

Question # 10

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

Question # 11

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:

Question # 12

Direction of motion _________ in circular motion

Question # 13

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

Question # 14

Centripetal force performs:

Question # 15

Conventionally the angular velocity is directed at an angle of

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
  • 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
  • U
    Umer Usman 08 - Mar - 2024 02 Min 00 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
  • K
    khawar saleemi 27 - Sep - 2024 02 Min 16 Sec 45/60
  • A
    Ali zain 10 - Mar - 2024 02 Min 26 Sec 45/60
  • A
    Ahmad Khan 25 - Aug - 2024 08 Min 59 Sec 45/60
  • Z
    Zia Ullah Chahal 09 - Mar - 2024 01 Min 16 Sec 40/60
  • M
    M.Faiq 18 - May - 2024 02 Min 11 Sec 40/60

ECAT Physics Chapter 5 Important MCQ's

Sr.# Question Answer
1 Moment of inertia depends upon:
A. Mass
B. Selection of axis of rotation
C. Both of them
D. None of these
2 INTELSAT operates at frequencies 4, 6, 11, 14 having unit of:
A. KHz
B. MHz
C. GHz
D. BHz
3 Centripetal force performs:
A. Maximum work
B. Negative work
C. Positive work
D. None of these
4 The rear wheels of an automobile are rotating with an angular velocity of 14 rev/sec which is reduced to 38 rad/sec in 5 second when brakes are applied. Its angular acceleration is:
A. 5 rad/sec2
B. -10 rev/sec2
C. -10 rad/sec2
D. -5 rev/sec2
5 Moment of linear momentum is called.
A. Moment arm
B. Moment of inertia
C. Inertia
D. Angular momentum
6 Formula for calculating moment of inertia of the bodies of one pair is same. Tick the answer.
A. Disc, sphere
B. sphere, hoop
C. Thin rod, hoop
D. Hoop,disc
7 Angular velocity is a:
A. Scalar quantity
B. Vector quantity
C. Complex quantity
D. None of these
8 In case of planets, the necessary acceleration is provided by:
A. Gravitational force
B. Coulomb force
C. Frictional force
D. None of these
9 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
10 Centripetal acceleration is also called ________ acceleration
A. Tangential
B. Radial
C. Angular
D. None of these

Test Questions

Is this page helpful?

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!