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

Moment of linear momentum is called.

Question # 2

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:

Question # 3

Conventionally the angular velocity is directed to an angle of:

Question # 4

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

Question # 5

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

Question # 6

Angular velocity is a:

Question # 7

Which of the following pairs does not have identical dimensions?

Question # 8

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

Question # 9

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

Question # 10

Conventionally the angular velocity is directed at an angle of

Question # 11

Centripetal acceleration is also called ______ acceleration:

Question # 12

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

Question # 13

A flywheel accelerates from rest to an angular velocity of 7 rad/sec in 7 seconds. Its average acceleration will be:

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 5 Important MCQ's

Sr.# Question Answer
1 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
2 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
3 Conventional the angular Velocity is Directed at 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 above
4 INTELSAT operates at frequencies 4, 6, 11, 14 having unit of:
A. KHz
B. MHz
C. GHz
D. BHz
5 A body can have constant velocity when it follows:
A. A circular path
B. A rectilinear path
C. Trajectory of a projectile
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 One radian is:
A. Greater than one degree
B. Less than one degree
C. Equal to degree
D. none of these
8 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
9 Centripetal acceleration is also called _______ acceleration:
A. Tangential
B. Radial
C. Angular
D. None of them
10 The useful unit of the angular displacement in SI unit is:
A. Degree
B. Revolution
C. Radian
D. Metre

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  • Ahmed Qureshi

    Ahmed Qureshi

    14 Feb 2018

    wt

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