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

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Question # 1

When a body moves with a constant speed in a circle:

Question # 2

Centripetal acceleration is also called ______ acceleration

Question # 3

Conventional the angular Velocity is Directed at an angle of:

Question # 4

The useful unit of the angular displacement in SI unit is:

Question # 5

Direction of motion _________ in circular motion

Question # 6

Direction of motion ______ in circular motion:

Question # 7

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

Question # 8

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

Question # 9

One radian is equal to:

Question # 10

One radian is

Question # 11

A car is turning around a corner at 10 m/sec as it travels along an arc of a circle. If value of centripetal acceleration is 10 m/sec2in this case, find radius of the circular path:

Question # 12

Moment of linear momentum is called.

Question # 13

Direction of angular momentum is determined by:

Question # 14

One radian is:

Question # 15

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

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ECAT Physics Chapter 5 Important MCQ's

Sr.# Question Answer
1 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
2 A point on the rim of a wheel moves 0.2 m where the wheel turns through an angle is 14.3 degrees. The radius of the wheel is:
A. 0.05 m
B. 0.08 m
C. 0.8 m
D. 0.008 m
3 Direction of motion _________ in circular motion
A. Changes off and on
B. Changes continously
C. Does not change
D. None of them
4 A car is 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
5 Centripetal acceleration is also called _______ acceleration:
A. Tangential
B. Radial
C. Angular
D. None of them
6 In case of planets, the necessary acceleration is provided by:
A. Gravitational force
B. Coulomb force
C. Frictional force
D. None of these
7 The number of countries who manage the largest satellite system is:
A. 3
B. 24
C. 126
D. 200
8 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
9 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
10 One radian is equal to:
A. 30.3°
B. 45.3°
C. 50.3°
D. 57.3°

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