ECAT Pre Computer Science Chapter 5 MCQ Test With Answer

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

Sr.#	Question	Answer
1	Centripetal acceleration is also called ______ acceleration	A. Tangential B. Radial C. Angular D. None of them
2	The useful unit of angular replacement in SI unit is:	A. Degree B. Revolution C. Radian D. Metre
3	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. 1 m B. 5 m C. 10 m D. 15 m
4	One radian is	A. Greater than one degree B. Less than one degree C. Equal to one degree D. None of these
5	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
6	One radian is equal to:	A. 30.3° B. 45.3° C. 50.3° D. 57.3°
7	A point on the rim of a wheel moves 0.2 m when the wheel turns through an angle of 14.3 degrees. The radius of the wheel is:	A. 0.05 m B. 0.08 m C. 0.8 m D. 0.008 m
8	If a gymnast sitting on a rotating stool with his arms outstretched, brings his arms towards the chest, then its angular velocity will	A. Increase B. Decrease C. Remain constant D. None of these
9	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
10	Direction of motion _______ in circular motion	A. Changes off and on B. Changes continuously C. Does not change D. None of them