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

An vector of 10 N makes an angle of 45° with x-axis. Angle between its rectangular components with be:

Question # 2

The vector is space has:

Question # 3

The direction of vector in space is specified by:

Question # 4

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

Question # 5

Two vectors having different magnitudes:

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

Which of the following is scalar quantity?

Question # 11

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

Question # 12

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 # 13

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

Question # 14

Tick the correct answer:

Question # 15

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:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 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
2 All trigonometric functions (sine, cosine, tangent etc) are positive in:
A. 1st quadrant
B. 2nd quadrant
C. 3rd quadrant
D. 4th quadrant
3 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°
4 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:
A. Zero to 3 N
B. 1 N to 13 N
C. 13 N to 3 N
D. None of these
5 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
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 The vector is space has:
A. One Component
B. Two Compnents
C. Three Components
D. Non of these
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:
A. Zero to 3 N
B. 1 N to 13 N
C. 13 N to 3 N
D. None of these
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 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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