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

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

Question # 2

The direction of a vector in space requires:

Question # 3

The vector is space has:

Question # 4

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

Question # 5

By convention, torques producing clockwise rotation are taken as:

Question # 6

A vector which has magnitude 'one' is called:

Question # 7

Cosine of an angle is positive in:

Question # 8

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

Question # 9

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

Question # 10

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 # 11

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

Question # 12

When the magnitude of two component vectors are equal to that of their resultant, then the angle between the components is:

Question # 13

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

Question # 14

The driection of vector si space is specified by:

Question # 15

Parallel vectors of same magnitudes:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 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
2 All trigonometric functions (sine, cosine, tangent etc) are positive in:
A. 1st quadrant
B. 2nd quadrant
C. 3rd quadrant
D. 4th quadrant
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 If a vector lies in second quadrant, than Bxand Byare:
A. -,+
B. +,-
C. +,+
D. -,-
5 The vector in space has:
A. One component
B. Two components
C. Three components
D. None of these
6 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?
A. 0 Km
B. 4 Km
C. 8 Km
D. 12 Km
7 The direction of vector in space is specified by:
A. One angle
B. Two angles
C. Three angles
D. None of these
8 Tick the correct answer:
A. Torque is a vector quantity
B. Torque is the turning effect of a force
C. Torque is called moment of a force
D. All of above
9 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
10 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

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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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