ECAT Pre Engineering Physics Chapter 2 MCQ Test With Answer

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

Sr.#	Question	Answer
1	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°
2	A force of 5 n is acting Y-axis. Its component along X-axis is:	A. 7 N B. 5 N C. Zero D. 10 N
3	Scalar product is also called:	A. Cross product B. Dot product C. Product scalar D. Product vector
4	Two forces each of the magnitude F act perpendicular to each other. The angle made by the resultant force with the horizontal will be:	A. 30° B. 45° C. 60° D. 90°
5	All trigonometric functions (since, cosine tangent etc. ) are positive in:	A. 1st Quadrant B. 2nd Quadrant C. 3rd Quadrant D. 4th Quadrant
6	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
7	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
8	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°
9	Parallel vectors of same magnitudes:	A. Are equal B. Are unequal C. When added give the some equal to zero D. Give the answer equal to zero
10	The direction of vector in space is specified by:	A. One angle B. Two angles C. Three angles D. None of these