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

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

Question # 2

The driection of vector si space is specified by:

Question # 3

Which of the following is scalar quantity?

Question # 4

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

Question # 5

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

Question # 6

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 # 7

A vector which has magnitude 'one' is called:

Question # 8

The perpendicular distance from the axis of rotation to the line of action of force is called:

Question # 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:

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

The vector in space has:

Question # 14

By convention, torques producing clockwise rotation are taken as:

Question # 15

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:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 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
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 The direction of a vector in space requires:
A. X-axis
B. X and Y-axes
C. XYZ axes
D. Y and Z-axes
4 Two forces of 10N and 8N are applied simultaneously to a body. The maximum value of their resultant is:
A. 20 N
B. -2 N
C. 18 N
D. 36 N
5 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
6 The direction of vector in space is specified by:
A. One angle
B. Two angles
C. Three angles
D. None of these
7 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°
8 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°
9 If a vector lies in second quadrant, than Bxand Byare:
A. -,+
B. +,-
C. +,+
D. -,-
10 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

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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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