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	One radian is equal to:	A. 30.3° B. 45.3° C. 50.3° D. 57.3°
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	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:	A. 22/7 B. 7 C. 14 D. 21
4	Centripetal acceleration is also called ______ acceleration:	A. Tangential B. Radial C. Angular D. None of them
5	Direction of motion _______ in circular motion	A. Changes off and on B. Changes continuously C. Does not change D. None of them
6	______ plays the same role during angular motion as played by the mass in linear motion	A. Torque B. Angular Momentum C. Moment of a force D. Moment of inertia
7	One radian is	A. Greater than one degree B. Less than one degree C. Equal to one degree D. None of these
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	Direction of angular momentum is determined by:	A. Right hand rule B. Head to tail rule C. Left hand rule D. None of them
10	One radian is:	A. Greater than one degree B. Less than one degree C. Equal to one degree D. None of them