ECAT Pre Computer Science Chapter 2 MCQ Test With Answer

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

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

Question # 2

By convention, torques producing clockwise rotation are taken as:

Question # 3

Two vectors having different magnitudes:

Question # 4

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 # 5

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

Question # 6

Unit vector is used to specify:

Question # 7

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

Question # 8

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

Question # 9

Parallel vectors of same magnitudes:

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

The direction of a vector in space requires:

Question # 14

Tick the correct answer:

Question # 15

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:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 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
2 The resultant of two velocities 3 m/sec and 400 cm/sec making an angle 90° with each other is:
A. 20 m/sec
B. 5 m/sec
C. 3 m.sec
D. None of these
3 Choose the set of physical quantities, which have both numerical and directional properties:
A. Velocity, mass
B. Speed, acceleration
C. acceleration weight
D. Distance, force
4 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
5 Which of the following is scalar quantity?
A. Electric potential
B. Velocity
C. Momentum
D. Force
6 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
7 Cosine of an angle is positive in:
A. 2nd quadrant
B. 3rd quadrant
C. 4th quadrant
D. All of these
8 A person starts his journey from a point 0, travels 4 Km SW, then 4 Km NW, and finally 4 Km north-east. At what distance is he now from point 0?
A. 0 Km
B. 4 Km
C. 8 Km
D. 12 Km
9 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
10 The direction of a vector in space requires:
A. X-axis
B. X and Y-axes
C. XYZ axes
D. Y and Z-axes

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