ECAT Pre Engineering Physics Chapter 5 MCQ Test With Answer

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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Physics ECAT Pre Engineering Chapter 5 Circular Motion

00:00
Question # 1

Direction of motion_______ in circular of motion:

Question # 2

Direction of motion ______ in circular motion:

Question # 3

In rotational motion, analogue of force F us called:

Question # 4

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

Question # 5

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

Question # 6

Centripetal force performs:

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

Satellites are held in orbits around Earth by its:

Question # 10

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 # 11

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

Question # 12

Which of the following pairs does not have identical dimensions?

Question # 13

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

Question # 14

When angular acceleration is positive, the body rotates:

Question # 15

One radian is

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ECAT Physics Chapter 5 Important MCQ's

Sr.# Question Answer
1 Direction of motion_______ in circular of motion:
A. Changes off and on
B. Changes continuously
C. Does not change
D. None of them
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 Moment of linear momentum is called.
A. Moment arm
B. Moment of inertia
C. Inertia
D. Angular momentum
4 One radian is:
A. Greater than one degree
B. Less than one degree
C. Equal to degree
D. none of these
5 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
6 Which of the following pairs does not have identical dimensions?
A. Torque and energy
B. Energy and work
C. Momentum and impulse
D. Mass and moment of inertia
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 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
9 Direction of motion _______ in circular motion
A. Changes off and on
B. Changes continuously
C. Does not change
D. None of them
10 In rotational motion, analogue of force F us called:
A. Couple
B. Torque
C. Mass
D. Moment of intertia

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