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

Parallel vectors of same magnitudes:

Question # 2

Two vectors to be combined have magnitudes of 60 N and 35 N. Pick the possible answer:

Question # 3

A vector which has magnitude 'one' is called:

Question # 4

Two vectors having different magnitudes:

Question # 5

The vector is space has:

Question # 6

The resultant of two velocities 3 m/sec and 400 cm/sec making an angle 90° with each other is:

Question # 7

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

Question # 8

Tick the correct answer:

Question # 9

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

Question # 10

Cosine of an angle is positive in:

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

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

Question # 13

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 # 14

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 # 15

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

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 Which of the following is scalar quantity?
A. Electric potential
B. Velocity
C. Momentum
D. Force
2 By convention, torques producing clockwise rotation are taken as:
A. Positive
B. Nagative
C. Zero
D. None of these
3 If a vector lies in second quadrant, than Bxand Byare:
A. -,+
B. +,-
C. +,+
D. -,-
4 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
5 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
6 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
7 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
8 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
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 The direction of vector in space is specified by:
A. One angle
B. Two angles
C. Three angles
D. None of these

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