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

Two vectors having different magnitudes:

Question # 2

If the vector 5 N lies along with x-axis, then its component along y-axis will be:

Question # 3

When a vector is multiplied by a negative number, its direction:

Question # 4

The direction of a vector in space requires:

Question # 5

Two forces each of the magnitude F act perpendicular to each other. The angle made by the resultant force with the horizontal will be:

Question # 6

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

Question # 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:

Question # 8

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

Question # 9

Cosine of an angle is positive in:

Question # 10

Two vectors to be combined have magnitudes of 60 N and 35 N. Pick the possible answer:

Question # 11

The driection of vector si space is specified by:

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

The magnitude of resultant of three vectors is 3. Its x-component is one, y-component is two, then its z-component is:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 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
2 The direction of vector in space is specified by:
A. One angle
B. Two angles
C. Three angles
D. None of these
3 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°
4 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
5 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°
6 The sum of two or more vectors is equal to a single vector which is called:
A. Component vector
B. Resultant vector
C. Product vector
D. None of these
7 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
8 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
9 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
10 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°

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  • TABISH IQBAL

    TABISH IQBAL

    05 Jun 2018

    if the explanation of question provided it will help us more

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