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 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 # 3

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

Question # 4

The direction of a vector in space requires:

Question # 5

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

Question # 6

A vector which has magnitude 'one' is called:

Question # 7

By convention, torques producing clockwise rotation are taken as:

Question # 8

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

Question # 9

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

Question # 10

Cosine of an angle is positive in:

Question # 11

Which of the following is scalar quantity?

Question # 12

Torque is also called:

Question # 13

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

Question # 14

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

Question # 15

The driection of vector si space is specified by:

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ECAT Class Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 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°
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 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
4 By convention, torques producing clockwise rotation are taken as:
A. Positive
B. Nagative
C. Zero
D. None of these
5 Two forces of 10N and 8N are applied simultaneously to a body. The maximum value of their resultant is:
A. 20 N
B. -2 N
C. 18 N
D. 36 N
6 If a vector lies in second quadrant, than Bxand Byare:
A. -,+
B. +,-
C. +,+
D. -,-
7 All trigonometric functions (sine, cosine, tangent etc) are positive in:
A. 1st quadrant
B. 2nd quadrant
C. 3rd quadrant
D. 4th quadrant
8 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°
9 Scalar product is also called:
A. Cross product
B. Dot product
C. Product scalar
D.
Product vector
10 Two forces each of the magnitude F act perpendicular to each other. The angle made by the resultant force with the horizontal will be:
A. 30°
B. 45°
C. 60°
D. 90°

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