ECAT Pre Engineering Physics Chapter 5 MCQ Test With Answer

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ECAT Physics Chapter 5 Important MCQ's

Sr.#	Question	Answer
1	Direction of motion _________ in circular motion	A. Changes off and on B. Changes continously C. Does not change D. None of them
2	When a 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
3	Centripetal acceleration is also called _______ acceleration:	A. Tangential B. Radial C. Angular D. None of them
4	Angular momentum is a:	A. vector quantity B. Imaginary quantity C. Complex Quantity D. Scalar Quantity
5	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
6	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
7	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. Radius of the circle B. Twice the radius C. Thrice the radius D. None of these
8	The number of "Earth stations" which transmit signals to satellites and receive signals from them are:	A. 3 B. 24 C. 126 D. 200
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	INTELSAT operates at frequencies 4, 6, 11, 14 having unit of	A. KHz B. MHz C. GHz D. BHz

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ECAT Pre Engineering Physics Chapter 5 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 5 Circular Motion

Physics ECAT Pre Engineering Chapter 5 Circular Motion

Direction of motion _________ in circular motion

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

Moment of linear momentum is called.

One radian is:

The useful unit of angular replacement in SI unit is:

Direction of angular momentum is determined by:

Direction of motion ______ in circular motion:

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

The net force acting on a 100 kg man standing in an elevator accelerating downward with a = 9.8 m sec-2comes out to be

One radian is:

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

Centripetal acceleration is also called ______ acceleration:

Direction of motion _______ in circular motion

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

A stone tied to the end of a 20 cm long string is whirled in a horizontal circle. If centripetal acceleration is 9.8 m/sec2, then its angular velocity is rad/sec is:

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

ECAT Physics Chapter 5 Important MCQ's

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Ahmed Qureshi

The net force acting on a 100 kg man standing in an elevator accelerating downward with a = 9.8 m sec^-2comes out to be

A stone tied to the end of a 20 cm long string is whirled in a horizontal circle. If centripetal acceleration is 9.8 m/sec², then its angular velocity is rad/sec is: