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	One radian is:	A. Greater than one degree B. Less than one degree C. Equal to one degree D. None of these
2	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
3	When angular acceleration is positive, the body rotates:	A. Slower B. Slowest C. Faster D. None of these
4	In case of planets, the necessary acceleration is provided by:	A. Gravitational force B. Coulomb force C. Frictional force D. None of these
5	Conventionally the angular velocity is directed to 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 the above
6	When body moves along a circular path with constant speed, it has an acceleration, which is always directed;	A. Along the tangent B. Towards the centre C. Away from the centre D. None of them
7	Which one is related to angular motion:	A. Moment of a force B. Moment of inertia C. Moment of momentum D. None of these
8	A flywheel accelerates from rest to an angular velocity of 7 rad/sec in 7 seconds. Its average acceleration will be:	A. 49 rad/sec² B. 1 rad/sec² C. 0.16 rev/sec² D. Both A and C
9	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
10	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

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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

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

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

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:

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

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:

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

Centripetal acceleration is also called ________ acceleration

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

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:

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

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:

Einstein's theory about gravity if better than Newton's because it gave explanation of:

A disc rolls down a hill and its speed at bottom is found to be 11.4 m/sec. Height of the hill is then nearly:

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

Moment of inertia depends upon:

Prepare Complete Set Wise ECAT Physics Chapter 5 Circular Motion MCQs Online With Answers

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Set 2

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Set 4

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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 a circle. If value of centripetal acceleration is 10 m/sec²in this case, find radius of the circular path:

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: