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

Question # 2

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

Question # 3

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:

Question # 4

Which of the following is scalar quantity?

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

A vector which has magnitude 'one' is called:

Question # 7

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

Question # 8

Torque is also called:

Question # 9

Two vectors having different magnitudes:

Question # 10

The direction of a vector in space requires:

Question # 11

A force of 5 n is acting Y-axis. Its component along X-axis is:

Question # 12

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

Question # 13

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

Question # 14

Scalar product is also called:

Question # 15

An vector of 10 N makes an angle of 45° with x-axis. Angle between its rectangular components with be:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 The driection of vector si space is specified by:
A.
One angle
B. Two angles
C. Three angles
D. None of above
2 Torque is also called:
A. Momentum
B. Linear inertia
C. Moment of a force
D. Mass
3 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:
A. 20 N
B. 13.66 N
C. 10 N
D. 8.66 N
4 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
5 Cosine of an angle is positive in:
A. 2nd quadrant
B. 3rd quadrant
C. 4th quadrant
D. All of these
6 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
7 The magnitude of resultant of three vectors is 3. Its x-component is one, y-component is two, then its z-component is:
A. 0
B. 1
C. 2
D. 3
8 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
9 Two vectors having different magnitudes:
A. Have their directions opposite
B. May have their resultant zero
C. Cannot have their resultant zero
D. None of these
10 The vector in space has:
A. One component
B. Two components
C. Three components
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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