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

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

Question # 2

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

Question # 3

Parallel vectors of same magnitudes:

Question # 4

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

Question # 5

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

Question # 6

Which of the following is scalar quantity?

Question # 7

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

Question # 8

The sum of two or more vectors is equal to a single vector which is called:

Question # 9

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

Question # 10

Scalar product is also called:

Question # 11

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

Question # 12

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

Question # 13

Two vectors having different magnitudes:

Question # 14

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 # 15

Tick the correct answer:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 An vector of 10 N makes an angle of 45° with x-axis. Angle between its rectangular components with be:
A. 45°
B. 90°
C. 135°
D. Zero
2 Cosine of an angle is positive in:
A. 2nd quadrant
B. 3rd quadrant
C. 4th quadrant
D. All of these
3 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
4 The direction of a vector in space requires:
A. X-axis
B. X and Y-axes
C. XYZ axes
D. Y and Z-axes
5 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
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 If a vector lies in second quadrant, than Bxand Byare:
A. -,+
B. +,-
C. +,+
D. -,-
8 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
9 For measuring the angle between two vectors graphically, we join:
A. Tails of both the vectors
B. Tail of one vector with the head of other
C. Heads of both the vectors
D. None of these
10 Tick the correct answer:
A. Torque is a vector quantity
B. Torque is the turning effect of a force
C. Torque is called moment of a force
D. All of above

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