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

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:

Question # 2

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

Question # 3

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

Question # 4

Two vectors having different magnitudes:

Question # 5

Tick the correct answer:

Question # 6

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

Question # 7

By convention, torques producing clockwise rotation are taken as:

Question # 8

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

Question # 9

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

Question # 10

Unit vector is used to specify:

Question # 11

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

Question # 12

Two vectors to be combined have magnitudes of 60 N and 35 N. Pick the possible answer:

Question # 13

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

Question # 14

Parallel vectors of same magnitudes:

Question # 15

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?

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 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
2 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
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 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
5 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:
A. 1.0 N
B. 6 N
C. 3.5 N
D. 12 N
6 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
7 The direction of vector in space is specified by:
A. One angle
B. Two angles
C. Three angles
D. None of these
8 The magnitude of the resultant of two forces may be increased by:
A. Increasing the angle between them
B. Decreasing the angle between them
C. Drawing a triangle to represent them
D. None of these
9 The magnitude of resultant of three vectors is 3. Its x-component is one, y-component is two, then its z-component is:
A. 0
B. 1
C. 2
D. 3
10 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

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