ECAT Pre Engineering Physics Chapter 2 MCQ Test With Answer

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

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

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Physics ECAT Pre Engineering Chapter 2 Vectors and Equilibrium

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Question # 1

Cosine of an angle is positive in:

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

The direction of a vector in space requires:

Question # 7

Two vectors having different magnitudes:

Question # 8

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 # 9

A vector which has magnitude 'one' is called:

Question # 10

The driection of vector si space is specified by:

Question # 11

The direction of vector in space is specified by:

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 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
2 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
3 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°
4 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
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 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 The direction of vector in space is specified by:
A. One angle
B. Two angles
C. Three angles
D. None of these
8 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
9 The vector in space has:
A. One component
B. Two components
C. Three components
D. None of these
10 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

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