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

Cosine of an angle is positive in:

Question # 2

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

Question # 3

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

Question # 4

Two vectors having different magnitudes:

Question # 5

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 # 6

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

Question # 7

Tick the correct answer:

Question # 8

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

Question # 9

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

Question # 10

The vector in space has:

Question # 11

Scalar product is also called:

Question # 12

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

Question # 13

For measuring the angle between two vectors graphically, we join:

Question # 14

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

Question # 15

Parallel vectors of same magnitudes:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 All trigonometric functions (sine, cosine, tangent etc) are positive in:
A. 1st quadrant
B. 2nd quadrant
C. 3rd quadrant
D. 4th quadrant
2 If the vector 5 N lies along with x-axis, then its component along y-axis will be:
A. Zero
B. 5 N
C. 7 N
D. 10 N
3 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
4 The driection of vector si space is specified by:
A.
One angle
B. Two angles
C. Three angles
D. None of above
5 All trigonometric functions (since, cosine tangent etc. ) are positive in:
A. 1st Quadrant
B. 2nd Quadrant
C. 3rd Quadrant
D. 4th Quadrant
6 Scalar product is also called:
A. Cross product
B. Dot product
C. Product scalar
D.
Product vector
7 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
8 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°
9 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
10 The vector in space has:
A. One component
B. Two components
C. Three components
D. None of these

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