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

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

Question # 2

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

Question # 3

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

Question # 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:

Question # 5

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

Question # 6

Torque is also called:

Question # 7

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

Question # 8

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

Question # 9

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 # 10

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

Question # 11

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

Question # 12

Parallel vectors of same magnitudes:

Question # 13

Unit vector is used to specify:

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 The direction of vector in space is specified by:
A. One angle
B. Two angles
C. Three angles
D. None of these
2 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
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:
A. 20 N
B. 13.66 N
C. 10 N
D. 8.66 N
4 All trigonometric functions (since, cosine tangent etc. ) are positive in:
A. 1st Quadrant
B. 2nd Quadrant
C. 3rd Quadrant
D. 4th Quadrant
5 The vector is space has:
A. One Component
B. Two Compnents
C. Three Components
D. Non of these
6 A vector which has magnitude 'one' is called:
A. Resultant vector
B. A unit vector
C. Position vector
D. None of these
7 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
8 Cosine of an angle is positive in:
A. 2nd quadrant
B. 3rd quadrant
C. 4th quadrant
D. All of these
9 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
10 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°

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