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

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

Question # 2

Centripetal acceleration is also called ______ acceleration

Question # 3

Direction of motion _________ in circular motion

Question # 4

The angular speed of a particle moving along a circular path is 5 Pie rad sec-1, Its period of motion is:

Question # 5

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 # 6

Centripetal force performs:

Question # 7

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 # 8

The useful unit of angular replacement in SI unit is:

Question # 9

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

Question # 10

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 # 11

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

Question # 12

When angular acceleration is positive, the body rotates:

Question # 13

A rotating wheel accelerates up to the value of 0.75 rev/sec2after 2 seconds of its start. Its angular velocity becomes:

Question # 14

One radian is

Question # 15

One radian is equal to:

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ECAT Physics Chapter 5 Important MCQ's

Sr.# Question Answer
1 One radian is:
A. Greater than one degree
B. Less than one degree
C. Equal to one degree
D. None of them
2 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:
A. Radius of the circle
B. Twice the radius
C. Thrice the radius
D. None of these
3 The instantaneous acceleration of a body moving with constant speed in a circle:
A. Remains constant
B. Is called centripetal acceleration
C. Tangential acceleration
D. None of these
4 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
5 When an object moves with a uniform angular velocity, then its instantaneous angular velocity is equal to:
A. Zero
B. Its average velocity
C. Its angular displacement
D. None of these
6 INTELSAT operates at frequencies 4, 6, 11, 14 having unit of:
A. KHz
B. MHz
C. GHz
D. BHz
7 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:
A. Radius of the circle
B. Twice the radius
C. Thrice the radius
D. None of these
8 Direction of motion _______ in circular motion
A. Changes off and on
B. Changes continuously
C. Does not change
D. None of them
9 One radian is equal to:
A. 30.3°
B. 45.3°
C. 50.3°
D. 57.3°
10 One radian is:
A. Greater than one degree
B. Less than one degree
C. Equal to degree
D. none of these

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  • Ahmed Qureshi

    Ahmed Qureshi

    14 Feb 2018

    wt

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