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

The driection of vector si space is specified by:

Question # 2

Parallel vectors of same magnitudes:

Question # 3

Which of the following is scalar quantity?

Question # 4

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:

Question # 5

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 # 6

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

Question # 7

The vector is space has:

Question # 8

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

Question # 9

The magnitude of the resultant of two forces may be increased by:

Question # 10

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

Question # 11

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

Question # 12

Cosine of an angle is positive in:

Question # 13

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

Question # 14

If x-component of a vector is -3 N and y-component is 3 N, then angle of resultant vector will x-axis is:

Question # 15

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:

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ECAT Physics Chapter 2 Important MCQ's

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 The driection of vector si space is specified by:
A.
One angle
B. Two angles
C. Three angles
D. None of above
3 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
4 By convention, torques producing clockwise rotation are taken as:
A. Positive
B. Nagative
C. Zero
D. None of these
5 The vector in space has:
A. One component
B. Two components
C. Three components
D. None of these
6 A vector which has magnitude 'one' is called:
A. Resultant vector
B. A unit vector
C. Position vector
D. None of these
7 The perpendicular distance from the axis of rotation to the line of action of force is called:
A. Moment arm
B. Moment of a force
C. Torque
D. Non of these
8 The change of order of vectors in a dot product of two vectors:
A. Changes its value
B. Doesn't change it's value
C. Changes the direction product quantity
D. None of these
9 Which of the following is scalar quantity?
A. Electric potential
B. Velocity
C. Momentum
D. Force
10 The vector is space has:
A. One Component
B. Two Compnents
C. Three Components
D. Non of these

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