ECAT Pre Computer Science Chapter 5 MCQ Test With Answer

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ECAT Physics Chapter 5 Important MCQ's

Sr.#	Question	Answer
1	The useful unit of the angular displacement in SI unit is:	A. Degree B. Revolution C. Radian D. Metre
2	One radian is	A. Greater than one degree B. Less than one degree C. Equal to one degree D. None of these
3	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
4	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
5	When angular acceleration is positive, the body rotates:	A. Slower B. Slowest C. Faster D. None of these
6	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
7	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
8	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
9	Angular velocity is a:	A. Scalar quantity B. Vector quantity C. Complex quantity D. None of these
10	Angular momentum is a:	A. vector quantity B. Imaginary quantity C. Complex Quantity D. Scalar Quantity

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ECAT Pre Computer Science Chapter 5 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 5 Circular Motion

ECAT Physics Chapter 5 Circular Motion

When angular acceleration is positive, the body rotates:

Moment of linear momentum is called.

The number of "Earth stations" which transmit signals to satellites and receive signals from them are:

Moment of inertia depends upon:

Which one is related to angular motion:

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

If a gymnast is sitting on a rotating stool with his arms outstretched, brings his arms towards the chest, then its angular velocity will:

Final velocity of a hoop is __________ the final velocity of a disc having same mass and radius on coming down an inclined plane.

Centripetal acceleration is also called ______ acceleration:

When angular acceleration is positive, the body rotates:

The center of mass of a sphere lies at:

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

Direction of motion _______ in circular motion

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Top Scorers Of ECAT Physics Chapter 5 Circular Motion MCQ`s Test

ECAT Physics Chapter 5 Important MCQ's

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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: