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

Question # 2

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

Question # 3

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

Question # 4

Unit vector is used to specify:

Question # 5

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

Question # 6

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

Question # 7

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 # 8

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

Question # 9

The direction of vector in space is specified by:

Question # 10

A vector which has magnitude 'one' is called:

Question # 11

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

Question # 12

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 # 13

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

Question # 14

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

Question # 15

Two vectors having different magnitudes:

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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 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
3 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°
4 All trigonometric functions (since, cosine tangent etc. ) are positive in:
A. 1st Quadrant
B. 2nd Quadrant
C. 3rd Quadrant
D. 4th Quadrant
5 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
6 If a vector lies in second quadrant, than Bxand Byare:
A. -,+
B. +,-
C. +,+
D. -,-
7 Which of the following is scalar quantity?
A. Electric potential
B. Velocity
C. Momentum
D. Force
8 Torque is also called:
A. Momentum
B. Linear inertia
C. Moment of a force
D. Mass
9 A vector which has magnitude 'one' is called:
A. Resultant vector
B. A unit vector
C. Position vector
D. None of these
10 The direction of a vector in space requires:
A. X-axis
B. X and Y-axes
C. XYZ axes
D. Y and Z-axes

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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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