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

Question # 2

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 # 3

Two forces each of 10 N act on a body, if the force are inclined at 30° and 60° respectively with x-axis, then x-component of their resultant is:

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

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?

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

The direction of a vector in space requires:

Question # 12

Two vectors having different magnitudes:

Question # 13

The vector is space has:

Question # 14

The vector in space has:

Question # 15

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

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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 A vector which has magnitude 'one' is called:
A. Resultant vector
B. A unit vector
C. Position vector
D. None of these
3 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
4 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
5 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
6 The driection of vector si space is specified by:
A.
One angle
B. Two angles
C. Three angles
D. None of above
7 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
8 The sum of two or more vectors is equal to a single vector which is called:
A. Component vector
B. Resultant vector
C. Product vector
D. None of these
9 The rectangular components of a vector are equal in magnitude when the vector makes and angle _______with their x-component:
A. 0°
B. 30°
C. 45°
D. 60°
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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