ECAT Pre General Science Physics Chapter 2 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 2 Vectors and Equilibrium

Try The MCQ's Test For ECAT Pre General Science Physics Chapter 2 Vectors and Equilibrium

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ECAT Pre General Science Physics Chapter 2 Vectors and Equilibrium

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Question # 1

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

Question # 2

A force of 5 n is acting Y-axis. Its component along X-axis is:

Question # 3

Two forces each of the magnitude F act perpendicular to each other. The angle made by the resultant force with the horizontal will be:

Question # 4

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

Question # 5

The direction of a vector in space requires:

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

Parallel vectors of same magnitudes:

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

Question # 13

A vector of magnitude 5 N is added to a vector of magnitude 8 N while the orientations are changeable. Range of their possible sum will be very from:

Question # 14

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

Question # 15

Torque is also called:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 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
2 Two vectors to be combined have magnitudes of 60 N and 35 N. Pick the possible answer:
A. 100 N
B. 70 N
C. 20 N
D. Zero
3 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
4 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
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:
A. 45°
B. 315°
C. 135°
D. 225°
6 A force of 5 n is acting Y-axis. Its component along X-axis is:
A. 7 N
B. 5 N
C. Zero
D. 10 N
7 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
8 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
9 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
10 Scalar product is also called:
A. Cross product
B. Dot product
C. Product scalar
D.
Product vector

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