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

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

Question # 2

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 # 3

Angular velocity is a:

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

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 # 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

One radian is:

Question # 8

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 # 9

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 # 10

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 # 11

Which of the following pairs does not have identical dimensions?

Question # 12

Direction of angular momentum is determined by:

Question # 13

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

Question # 14

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

Question # 15

______ plays the same role during angular motion as played by the mass in linear motion

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 The net force acting on a 100 kg man standing in an elevator accelerating downward with a = 0.8 m sec-2comes out to:
A. 980 N
B. 580 N
C. 1380 N
D. Zero
2 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:
A. 38 m/sec
B. 3.8 m/sec
C. 0.6 m/sec
D. None of these
3 Centripetal force performs:
A. Maximum work
B. Negative work
C. Positive work
D. None of these
4 The number of "Earth stations" which transmit signals to satellites and receive signals from them are:
A. 3
B. 24
C. 126
D. 200
5 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
6 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
7 A rotating wheel accelerates up to the value of 0.75 rev/sec2after 2 seconds of its start. Its angular velocity becomes:
A. 9.42 rad/sec
B. 2.6 rev/sec
C. 1.5 rev/sec
D. Both A and C
8 Direction of motion _________ in circular motion
A. Changes off and on
B. Changes continously
C. Does not change
D. None of them
9 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
10 Angular velocity is a:
A. Scalar quantity
B. Vector quantity
C. Complex quantity
D. None of these

Test Questions

Is this page helpful?

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!