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 driection of vector si space is specified by:

Question # 2

Scalar product is also called:

Question # 3

An vector of 10 N makes an angle of 45° with x-axis. Angle between its rectangular components with be:

Question # 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:

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

Torque is also called:

Question # 9

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

Question # 10

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

Question # 11

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 # 12

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

Question # 13

Two vectors having different magnitudes:

Question # 14

Parallel vectors of same magnitudes:

Question # 15

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

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 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
2 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
3 A vector which has magnitude 'one' is called:
A. Resultant vector
B. A unit vector
C. Position vector
D. None of these
4 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
5 All trigonometric functions (sine, cosine, tangent etc) are positive in:
A. 1st quadrant
B. 2nd quadrant
C. 3rd quadrant
D. 4th quadrant
6 Cosine of an angle is positive in:
A. 2nd quadrant
B. 3rd quadrant
C. 4th quadrant
D. All of these
7 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°
8 The vector is space has:
A. One Component
B. Two Compnents
C. Three Components
D. Non of these
9 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°
10 Scalar product is also called:
A. Cross product
B. Dot product
C. Product scalar
D.
Product vector

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