ECAT Pre Computer Science Chapter 2 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 2 Vectors and Equilibrium

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ECAT Physics Chapter 2 Vectors and Equilibrium

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Question # 1

Parallel vectors of same magnitudes:

Question # 2

For measuring the angle between two vectors graphically, we join:

Question # 3

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?

Question # 4

If a vector lies in second quadrant, than Bxand Byare:

Question # 5

The change of order of vectors in a dot product of two vectors:

Question # 6

The driection of vector si space is specified by:

Question # 7

Scalar product is also called:

Question # 8

Choose the set of physical quantities, which have both numerical and directional properties:

Question # 9

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:

Question # 10

The direction of a vector in space requires:

Question # 11

The vector in space has:

Question # 12

The resultant of two velocities 3 m/sec and 400 cm/sec making an angle 90° with each other is:

Question # 13

All trigonometric functions (sine, cosine, tangent etc) are positive in:

Question # 14

Two forces of 10N and 8N are applied simultaneously to a body. The maximum value of their resultant is:

Question # 15

The direction of vector in space is specified by:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 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
2 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°
3 All trigonometric functions (since, cosine tangent etc. ) are positive in:
A. 1st Quadrant
B. 2nd Quadrant
C. 3rd Quadrant
D. 4th Quadrant
4 Cosine of an angle is positive in:
A. 2nd quadrant
B. 3rd quadrant
C. 4th quadrant
D. All of these
5 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
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 The vector in space has:
A. One component
B. Two components
C. Three components
D. None of these
8 A vector which has magnitude 'one' is called:
A. Resultant vector
B. A unit vector
C. Position vector
D. None of these
9 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
10 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

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