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Online Tests
Physics Fsc Part 1 Chapter 1 Online Test MCQs With Answers
Question # 1
A vector is denoted by
Choose an answer
Light face
Bold face
Both a and b
None of these
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Question # 2
Direction of a vector in space requires
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Two axis
Three axis
Four axis
Both a and b
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Question # 3
The resultant of two vectors having magnitude 10 N and 8 N Can not be
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2 N
9 N
18 N
20 N
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Question # 4
Vectors have
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Numerical value
Directional
Both a and b
None of these
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Question # 5
A force of 100 N makes on angle of 60
o
with y axis, its horizontal component is.
Choose an answer
50 N
60 N
70.7 N
86.6 N
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Question # 6
The angle between x-axis, y-axis and z-axis is
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45°
60°
75°
90°
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Question # 7
Maximum number of components of a vector may be
Choose an answer
Infinite
One
two
three
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Question # 8
The components of a vector which are perpendicular to each other are called
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Horizontal components
Vertical components
Rectangular components
All of these
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Question # 9
The resultant of two forces 30 N and 40 N acting parallel to each other is.
Choose an answer
30 N
40 N
70 N
10 N
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Question # 10
Minimum number of unequal forces whose vector sum can be zero are.
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5
4
3
2
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Question # 11
Force 12 N and 5 N are add, the resultant con not be
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13 N
6 N
7 N
17 N
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Question # 12
When a fore of 100 N is acting on an object along x-axis then its vertical component will be.
Choose an answer
50 N
0 N
25 N
10 N
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Question # 13
What would encourage trade between two countries
Choose an answer
Different tax system
Frontier checks
National currencies
reduced tariffs
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Question # 14
Dot product of vector with itself is.
Choose an answer
Zero
2 A
A
2
A
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Question # 15
If r = 5 m and f = 4 N are along same direction, them torque is
Choose an answer
20 Nm
5 Nm
10 Nm
Zero
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Question # 16
A force of 100 N makes an angle of 60o with Y- Axis, its horizontal component is.
Choose an answer
50 N
60 N
70.7 N
86.6 N
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Question # 17
If a vector of magnitude 10 N along y-axis then its component along x-axis is
Choose an answer
0 N
5 N
8.66 N
10 N
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Question # 18
The direction of null vector can be
Choose an answer
(+) ve
(-) ve
Arbitrary
Zero
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Question # 19
A direction of torque is
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Along the position vector r
Perpendicular to both r and f
Along the direction of force F
Opposite to the direction of r
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Question # 20
Head to tail rule is used for
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Addition of vectors
Subtraction of vectors
Multiplication of vectors
Division of vectors
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Question # 21
The resultant of two forces 3 N and 4 N acting at right angle to each other is
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7 N
5 N
4 N
1 N
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Question # 22
The sum of two or more vectors will be a single vector called
Choose an answer
Component vector
Position vector
-ve vector
Resultant vector
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Question # 23
A force of 10N makes an angle 30o with y axis. Then magnitude of x -component is.
Choose an answer
5 N
8.66 N
10 N
Zero
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Question # 24
The subtraction of a vector is equivalent to the addition with
Choose an answer
Same direction
Perpendicular direction
Reversed direction
All of these
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