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 direction of a vector in space requires:	A. X-axis B. X and Y-axes C. XYZ axes D. Y and Z-axes
2	The rectangular components of a vector are equal in magnitude when the vector makes and angle _______with their x-component:	A. 0° B. 30° C. 45° D. 60°
3	For measuring the angle between two vectors graphically, we join:	A. Tails of both the vectors B. Tail of one vector with the head of other C. Heads of both the vectors D. None of these
4	All trigonometric functions (sine, cosine, tangent etc) are positive in:	A. 1st quadrant B. 2nd quadrant C. 3rd quadrant D. 4th quadrant
5	When the magnitude of two component vectors are equal to that of their resultant, then the angle between the components is:	A. 60° B. 90° C. 120° D. 150°
6	Two vectors having different magnitudes:	A. Have their directions opposite B. May have their resultant zero C. Cannot have their resultant zero D. None of these
7	Cosine of an angle is positive in:	A. 2nd quadrant B. 3rd quadrant C. 4th quadrant D. All of these
8	The sum of two or more vectors is equal to a single vector which is called:	A. Component vector B. Resultant vector C. Product vector D. None of these
9	An vector of 10 N makes an angle of 45° with x-axis. Angle between its rectangular components with be:	A. 45° B. 90° C. 135° D. Zero
10	Two vectors to be combined have magnitudes of 60 N and 35 N. Pick the possible answer:	A. 100 N B. 70 N C. 20 N D. Zero