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

Question # 2

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

Question # 3

Which of the following is scalar quantity?

Question # 4

Two vectors having different magnitudes:

Question # 5

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

Question # 6

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

Question # 7

By convention, torques producing clockwise rotation are taken as:

Question # 8

The rectangular components of a vector are equal in magnitude when the vector makes and angle _______with their x-component:

Question # 9

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

Question # 10

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 # 11

The driection of vector si space is specified by:

Question # 12

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

Question # 13

The vector is space has:

Question # 14

Parallel vectors of same magnitudes:

Question # 15

Cosine of an angle is positive in:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 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
2 The vector in space has:
A. One component
B. Two components
C. Three components
D. None of these
3 A vector which has magnitude 'one' is called:
A. Resultant vector
B. A unit vector
C. Position vector
D. None of these
4 The direction of vector in space is specified by:
A. One angle
B. Two angles
C. Three angles
D. None of these
5 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
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 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
8 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°
9 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
10 The vector is space has:
A. One Component
B. Two Compnents
C. Three Components
D. Non of these

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