ECAT Pre Computer Science Chapter 2 MCQ Test With Answer

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

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

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ECAT Physics Chapter 2 Vectors and Equilibrium

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Question # 1

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

Question # 2

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 # 3

The vector in space has:

Question # 4

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

Question # 5

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

Question # 6

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

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

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

Question # 10

Tick the correct answer:

Question # 11

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 # 12

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 # 13

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

Question # 14

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

Question # 15

The direction of a vector in space requires:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 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:
A. Zero to 3 N
B. 1 N to 13 N
C. 13 N to 3 N
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 Two forces of 10 N and 8 N are applied simultaneously to a body. the maximum value of their resultant is:
A. 2 N
B. - 2 N
C. 18 N
D. 36 N
4 All trigonometric functions (sine, cosine, tangent etc) are positive in:
A. 1st quadrant
B. 2nd quadrant
C. 3rd quadrant
D. 4th quadrant
5 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°
6 When a vector is multiplied by a negative number, its direction:
A. Remains the same
B. Changes
C. Changes by 180°
D. None of these
7 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
8 Torque is also called:
A. Momentum
B. Linear inertia
C. Moment of a force
D. Mass
9 The direction of a vector in space requires:
A. X-axis
B. X and Y-axes
C. XYZ axes
D. Y and Z-axes
10 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°

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