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

A vector which has magnitude 'one' is called:

Question # 2

Two vectors having different magnitudes:

Question # 3

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

Question # 4

By convention, torques producing clockwise rotation are taken as:

Question # 5

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

Question # 6

The driection of vector si space is specified by:

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

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 # 11

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

Question # 12

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

Question # 13

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

Question # 14

The direction of vector in space is specified by:

Question # 15

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 If a vector lies in second quadrant, than Bxand Byare:
A. -,+
B. +,-
C. +,+
D. -,-
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 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
4 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
5 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
6 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
7 Which of the following is scalar quantity?
A. Electric potential
B. Velocity
C. Momentum
D. Force
8 The direction of vector in space is specified by:
A. One angle
B. Two angles
C. Three angles
D. None of these
9 The magnitude of the resultant of two forces may be increased by:
A. Increasing the angle between them
B. Decreasing the angle between them
C. Drawing a triangle to represent them
D. None of these
10 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

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