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Physics English Medium Fsc Part 1 Chapter 2 Online MCQs Test MCQs With Answers
Question # 1
A force of 10N makes an angle 30o with y axis. Then magnitude of x -component is.
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5 N
8.66 N
10 N
Zero
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Question # 2
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 # 3
Dot product of vector with itself is.
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Zero
2 A
A
2
A
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Question # 4
The resultant of two forces 3N and 4 N acting at right angle to each other is.
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5 N
6 N
1 N
7 N
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Question # 5
The dot product of two vectors A and B will be zero, if angle between A and B is
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Zero
30
o
90
o
180
o
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Question # 6
Usually the x-axis is taken as
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Vertical axis
Horizontal axis
+ve axis
-ve axis
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Question # 7
Dot product of two non zero vectors is zero it angle between them is.
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30
o
60
o
45
o
90
o
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Question # 8
The magnitude of A will be
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Zero
A
2
1
A
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Question # 9
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Unit vector
+ve of a vector
Resultant vector
-ve of a vector
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Question # 10
If r = 5 m and f = 4 N are along same direction, them torque is
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20 Nm
5 Nm
10 Nm
Zero
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