ECAT Pre Engineering Physics Chapter 5 MCQ Test With Answer

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

Sr.#	Question	Answer
1	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
2	The center of mass of a sphere lies at:	A. The axis of the sphere B. Circumference of sphere C. Center of the sphere D. None of them
3	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
4	Centripetal acceleration is also called ________ acceleration	A. Tangential B. Radial C. Angular D. None of these
5	The number of "Earth Stations" which transmit signals to satellites and receive signals fro them are	A. 3 B. 24 C. 126 D. 200
6	Direction of angular momentum is determined by:	A. Right hand rule B. Head to tail rule C. Left hand rule D. None of them
7	The number of "Earth stations" which transmit signals to satellites and receive signals from them are:	A. 3 B. 24 C. 126 D. 200
8	When angular acceleration is positive, the body rotates:	A. Slower B. Slowest C. Faster D. None of these
9	An axis of rotation	A. Is a straight line B. Is normal to the plane of rotation C. Passes through pivot point O D. All of them
10	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