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

Question # 2

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

Question # 3

If a vector lies in second quadrant, than Bxand Byare:

Question # 4

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 # 5

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 # 6

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

Question # 7

Parallel vectors of same magnitudes:

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

Scalar product is also called:

Question # 14

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

Question # 15

The vector in space has:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 A vector which has magnitude 'one' is called:
A. Resultant vector
B. A unit vector
C. Position vector
D. None of these
2 An vector of 10 N makes an angle of 45° with x-axis. Angle between its rectangular components with be:
A. 45°
B. 90°
C. 135°
D. Zero
3 All trigonometric functions (sine, cosine, tangent etc) are positive in:
A. 1st quadrant
B. 2nd quadrant
C. 3rd quadrant
D. 4th quadrant
4 Scalar product is also called:
A. Cross product
B. Dot product
C. Product scalar
D.
Product vector
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 The sum of two or more vectors is equal to a single vector which is called:
A. Component vector
B. Resultant vector
C. Product vector
D. None 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 Cosine of an angle is positive in:
A. 2nd quadrant
B. 3rd quadrant
C. 4th quadrant
D. All of these
9 Unit vector is used to specify:
A. Magnitude of a vector
B. Dimensions of a vector
C. Direction of a vector
D. Position of a vector
10 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

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