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	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
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	All trigonometric functions (sine, cosine, tangent etc) are positive in:	A. 1st quadrant B. 2nd quadrant C. 3rd quadrant D. 4th quadrant
4	The vector in space has:	A. One component B. Two components C. Three components D. None of these
5	The driection of vector si space is specified by:	A. One angle B. Two angles C. Three angles D. None of above
6	Unit vector is used to specify:	A. Magnitude of a vector B. Dimensions of a vector C. Direction of a vector D. Position of a vector
7	If two forces of magnitudes 3.5 and 2.5 N act on a body such that the angle between the forces is zero, then magnitude of the resultant will be:	A. 1.0 N B. 6 N C. 3.5 N D. 12 N
8	Torque is also called:	A. Momentum B. Linear inertia C. Moment of a force D. Mass
9	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°
10	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