ECAT Pre Computer Science Chapter 2 MCQ Test With Answer

Top Scorers Of ECAT Physics Chapter 2 Vectors and Equilibrium MCQ`s Test

Sr.#	Question	Answer
1	The resultant of two velocities 3 m/sec and 400 cm/sec making an angle 90° with each other is:	A. 20 m/sec B. 5 m/sec C. 3 m.sec D. None of these
2	A person starts his journey from a point 0, travels 4 Km SW, then 4 Km NW, and finally 4 Km north-east. At what distance is he now from point 0?	A. 0 Km B. 4 Km C. 8 Km D. 12 Km
3	The driection of vector si space is specified by:	A. One angle B. Two angles C. Three angles D. None of above
4	The vector is space has:	A. One Component B. Two Compnents C. Three Components D. Non of these
5	When a vector is multiplied by a negative number, its direction:	A. Remains the same B. Changes C. Changes by 180° D. None of these
6	Two forces each of 10 N act on a body, if the force are inclined at 30° and 60° respectively with x-axis, then x-component of their resultant is:	A. 20 N B. 13.66 N C. 10 N D. 8.66 N
7	If x-component of a vector is -3 N and y-component is 3 N, then angle of resultant vector will x-axis is:	A. 45° B. 315° C. 135° D. 225°
8	Torque is also called:	A. Momentum B. Linear inertia C. Moment of a force D. Mass
9	A vector of magnitude 5 N is added to a vector of magnitude 8 N while the orientations are changeable. Range of their possible sum will be very from:	A. Zero to 3 N B. 1 N to 13 N C. 13 N to 3 N D. None of these
10	Cosine of an angle is positive in:	A. 2nd quadrant B. 3rd quadrant C. 4th quadrant D. All of these