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

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

Question # 2

Cosine of an angle is positive in:

Question # 3

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

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

Scalar product is also called:

Question # 6

The vector is space has:

Question # 7

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

Question # 8

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 # 9

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

Question # 10

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

Question # 11

A vector which has magnitude 'one' is called:

Question # 12

Unit vector is used to specify:

Question # 13

Two forces each of the magnitude F act perpendicular to each other. The angle made by the resultant force with the horizontal will be:

Question # 14

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

Question # 15

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

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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 vector is space has:
A. One Component
B. Two Compnents
C. Three Components
D. Non 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 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
5 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
6 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°
7 The direction of a vector in space requires:
A. X-axis
B. X and Y-axes
C. XYZ axes
D. Y and Z-axes
8 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
9 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
10 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

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