ECAT Pre Engineering Physics Chapter 2 MCQ Test With Answer

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

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 2 Vectors and Equilibrium

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Physics ECAT Pre Engineering Chapter 2 Vectors and Equilibrium

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Question # 1

The vector is space has:

Question # 2

Two vectors having different magnitudes:

Question # 3

Tick the correct answer:

Question # 4

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

Question # 5

The sum of two or more vectors is equal to a single vector which is called:

Question # 6

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

Question # 7

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

Question # 8

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 # 9

Unit vector is used to specify:

Question # 10

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

Question # 11

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 # 12

A vector which has magnitude 'one' is called:

Question # 13

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

Question # 14

By convention, torques producing clockwise rotation are taken as:

Question # 15

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

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 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
2 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
3 The vector in space has:
A. One component
B. Two components
C. Three components
D. None of these
4 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°
5 For measuring the angle between two vectors graphically, we join:
A. Tails of both the vectors
B. Tail of one vector with the head of other
C. Heads of both the vectors
D. None of these
6 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°
7 The direction of a vector in space requires:
A. X-axis
B. X and Y-axes
C. XYZ axes
D. Y and Z-axes
8 All trigonometric functions (since, cosine tangent etc. ) are positive in:
A. 1st Quadrant
B. 2nd Quadrant
C. 3rd Quadrant
D. 4th Quadrant
9 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°
10 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

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