ECAT Pre General Science Physics Chapter 2 MCQ Test With Answer

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

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

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ECAT Pre General Science 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

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

Question # 3

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 # 4

If x-component of a vector is -3 N and y-component is 3 N, then angle of resultant vector will x-axis is:

Question # 5

The driection of vector si space is specified by:

Question # 6

Tick the correct answer:

Question # 7

Unit vector is used to specify:

Question # 8

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 # 9

Cosine of an angle is positive in:

Question # 10

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

Question # 11

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 # 12

The direction of vector in space is specified by:

Question # 13

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

Question # 14

The vector in space has:

Question # 15

Two vectors having different magnitudes:

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 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
2 Which of the following is scalar quantity?
A. Electric potential
B. Velocity
C. Momentum
D. Force
3 If a vector lies in second quadrant, than Bxand Byare:
A. -,+
B. +,-
C. +,+
D. -,-
4 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
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 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°
7 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
8 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
9 The direction of vector in space is specified by:
A. One angle
B. Two angles
C. Three angles
D. None of these
10 Torque is also called:
A. Momentum
B. Linear inertia
C. Moment of a force
D. Mass

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