ECAT Pre Engineering Physics Chapter 2 MCQ Test With Answer

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

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

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Physics ECAT Pre Engineering 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 magnitude of the resultant of two forces may be increased by:

Question # 3

Two vectors having different magnitudes:

Question # 4

The vector is space has:

Question # 5

The direction of a vector in space requires:

Question # 6

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

Question # 7

A vector which has magnitude 'one' is called:

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

Which of the following is scalar quantity?

Question # 13

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

Question # 14

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 # 15

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

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ECAT Physics Chapter 2 Important MCQ's

Sr.# Question Answer
1 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°
2 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
3 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
4 The direction of a vector in space requires:
A. X-axis
B. X and Y-axes
C. XYZ axes
D. Y and Z-axes
5 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°
6 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
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?
A. 0 Km
B. 4 Km
C. 8 Km
D. 12 Km
8 Two vectors having different magnitudes:
A. Have their directions opposite
B. May have their resultant zero
C. Cannot have their resultant zero
D. None of these
9 The vector in space has:
A. One component
B. Two components
C. Three components
D. None of these
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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