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

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

Question # 2

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

Question # 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:

Question # 4

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:

Question # 5

An axis of rotation

Question # 6

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 # 7

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 # 8

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 # 9

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

Question # 10

Angular velocity is a:

Question # 11

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:

Question # 12

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 # 13

The instantaneous acceleration of a body moving with constant speed in a circle:

Question # 14

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 # 15

Formula for calculating moment of inertia of the bodies of one pair is same. Tick the answer.

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
    Muneeb ur Rehman 30 - Jun - 2026 02 Min 28 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

ECAT Physics Chapter 5 Important MCQ's

Sr.# Question Answer
1 Direction of motion ______ in circular motion:
A. Changes off and on
B. Changes continuously
C. Does not change
D. None of them
2 Moment of linear momentum is called.
A. Moment arm
B. Moment of inertia
C. Inertia
D. Angular momentum
3 Radian is defined as the angle subtended at the center of a circle by an arc of:
A. Length equal to its diameter
B. Length equal to its radius
C. Any length
D. None of these
4 Direction of motion _________ in circular motion
A. Changes off and on
B. Changes continously
C. Does not change
D. None of them
5 Centripetal force performs:
A. Maximum work
B. Negative work
C. Positive work
D. None of these
6 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
7 When a body moves with a constant speed in a circle:
A. No work is done on it
B. No acceleration is produced in the body
C. Velocity remains constant
D. None of these
8 Angular velocity is a:
A. Scalar quantity
B. Vector quantity
C. Complex quantity
D. None of these
9 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
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

Test Questions