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

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 # 2

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

Question # 3

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

Question # 4

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

Question # 5

Cosine of an angle is positive in:

Question # 6

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

Question # 7

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 # 8

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

Question # 9

The direction of a vector in space requires:

Question # 10

Which of the following is scalar quantity?

Question # 11

Two vectors having different magnitudes:

Question # 12

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

Question # 13

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

Question # 14

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 # 15

A vector which has magnitude 'one' is called:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 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°
2 The direction of a vector in space requires:
A. X-axis
B. X and Y-axes
C. XYZ axes
D. Y and Z-axes
3 Torque is also called:
A. Momentum
B. Linear inertia
C. Moment of a force
D. Mass
4 An vector of 10 N makes an angle of 45° with x-axis. Angle between its rectangular components with be:
A. 45°
B. 90°
C. 135°
D. Zero
5 The driection of vector si space is specified by:
A.
One angle
B. Two angles
C. Three angles
D. None of above
6 All trigonometric functions (since, cosine tangent etc. ) are positive in:
A. 1st Quadrant
B. 2nd Quadrant
C. 3rd Quadrant
D. 4th Quadrant
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 Choose the set of physical quantities, which have both numerical and directional properties:
A. Velocity, mass
B. Speed, acceleration
C. acceleration weight
D. Distance, force
9 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
10 The direction of vector in space is specified by:
A. One angle
B. Two angles
C. Three angles
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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