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

By convention, torques producing clockwise rotation are taken as:

Question # 2

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

Question # 3

The vector is space has:

Question # 4

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

Question # 5

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

Question # 6

Which of the following is scalar quantity?

Question # 7

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

Question # 8

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

Question # 9

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 # 10

Two vectors having different magnitudes:

Question # 11

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

Question # 12

The direction of a vector in space requires:

Question # 13

A vector which has magnitude 'one' is called:

Question # 14

Cosine of an angle is positive in:

Question # 15

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

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 Which of the following is scalar quantity?
A. Electric potential
B. Velocity
C. Momentum
D. Force
2 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
3 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
4 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°
5 All trigonometric functions (sine, cosine, tangent etc) are positive in:
A. 1st quadrant
B. 2nd quadrant
C. 3rd quadrant
D. 4th quadrant
6 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
7 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
8 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
9 If a vector lies in second quadrant, than Bxand Byare:
A. -,+
B. +,-
C. +,+
D. -,-
10 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°

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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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