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	One radian is	A. Greater than one degree B. Less than one degree C. Equal to one degree D. None of these
2	A 1000 Kg car travelling with a speed of 90 km/hr turns around a curve of radius 0.1 km. The necessary centripetal force comes out to be:	A. 8.1 X 10⁷N B. 625 N C. 6250 N D. None of these
3	In rotational motion, analogue of force F us called:	A. Couple B. Torque C. Mass D. Moment of intertia
4	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
5	Moment of inertia depends upon:	A. Mass B. Selection of axis of rotation C. Both of them D. None of these
6	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. 1 m B. 5 m C. 10 m D. 15 m
7	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
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	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
10	The rear wheels of an automobile are rev/sec which is reduced to 38 rad/sec in 5 seconds when brakes are applied. Its angular acceleration is:	A. 5 rad/sec² B. -10 rav/sec² C. -10 rad/sec² D. -5 rav/sec²

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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

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

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

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

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

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:

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

Centripetal acceleration is also called ________ acceleration

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

Which one is related to angular motion:

When angular acceleration is positive, the body rotates:

The instantaneous acceleration of a body moving with constant speed in a circle:

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

Conventional the angular Velocity is Directed at an angle of:

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

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:

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ECAT Physics Chapter 5 Important MCQ's

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Ahmed Qureshi

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 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: