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	Scalar product is also called:	A. Cross product B. Dot product C. Product scalar D. Product vector
2	Choose the set of physical quantities, which have both numerical and directional properties:	A. Velocity, mass B. Speed, acceleration C. acceleration weight D. Distance, force
3	The magnitude of the resultant of two forces may be increased by:	A. Increasing the angle between them B. Decreasing the angle between them C. Drawing a triangle to represent them D. None of these
4	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
5	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°
6	If the vector 5 N lies along with x-axis, then its component along y-axis will be:	A. Zero B. 5 N C. 7 N D. 10 N
7	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
8	Cosine of an angle is positive in:	A. 2nd quadrant B. 3rd quadrant C. 4th quadrant D. All of these
9	All trigonometric functions (since, cosine tangent etc. ) are positive in:	A. 1st Quadrant B. 2nd Quadrant C. 3rd Quadrant D. 4th Quadrant
10	The driection of vector si space is specified by:	A. One angle B. Two angles C. Three angles D. None of above