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

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ECAT Physics Chapter 5 Circular Motion

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Question # 1

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

Question # 2

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

Question # 3

Direction of motion _______ in circular motion

Question # 4

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

Question # 5

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 # 6

Direction of angular momentum is determined by:

Question # 7

Angular velocity is a:

Question # 8

One radian is:

Question # 9

Conventional the angular Velocity is Directed at an angle of:

Question # 10

Satellites are held in orbits around Earth by its:

Question # 11

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 # 12

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 # 13

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 # 14

A body can have constant velocity when it follows:

Question # 15

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

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ECAT Physics Chapter 5 Important MCQ's

Sr.# Question Answer
1 The number of countries who manage the largest satellite system is:
A. 3
B. 24
C. 126
D. 200
2 Angular momentum is a:
A. vector quantity
B. Imaginary quantity
C. Complex Quantity
D. Scalar Quantity
3 When angular acceleration is positive, the body rotates:
A. Slower
B. Slowest
C. Faster
D. None of these
4 One radian is
A. Greater than one degree
B. Less than one degree
C. Equal to one degree
D. None of these
5 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
6 Centripetal acceleration is also called ______ acceleration:
A. Tangential
B. Radial
C. Angular
D. None of them
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 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
9 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
10 Centripetal acceleration is also called ________ acceleration
A. Tangential
B. Radial
C. Angular
D. None of these

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