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	INTELSAT operates at frequencies 4, 6, 11, 14 having unit of	A. KHz B. MHz C. GHz D. BHz
2	Radian is defined as the angle subtended at the center of a circle by an arc of:	A. Length equal to its diameter B. Length equal to its radius C. Any length D. None of these
3	Centripetal force performs:	A. Maximum work B. Negative work C. Positive work D. None of these
4	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
5	Which one is related to angular motion:	A. Moment of a force B. Moment of inertia C. Moment of momentum D. None of these
6	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
7	Angular velocity is a:	A. Scalar quantity B. Vector quantity C. Complex quantity D. None of these
8	Einstein's theory about gravity if better than Newton's because it gave explanation of:	A. Inverse square law B. Bending of light C. Both A and B D. None of above
9	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
10	When angular acceleration is positive, the body rotates:	A. Slower B. Slowest C. Faster D. None of these