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9th Class Physics Chapter 3 Dynamics English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
1 N ___________
Choose an answer
1 kgms
-2
1 kg ms
-1
ms
-2
All
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Question # 2
Co-efficient of friction between iron and iron is:
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1.0
0.62
0.9
1.2
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Question # 3
All forces are example of contract forces except:
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Air resistance
Tensional
Push force
Gravitational
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Question # 4
That force which produces an acceleration of one metre per second per second in a body of one kilogram mass is called
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1 joule
1 newton
1 watt
1 ampere
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Question # 5
If the acceleration is 10 m/s2 and mass 10kg:
Choose an answer
F = 99N
F = 100 Kg
F = 100 m/s2
F =100 N
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Question # 6
Which of the following is the unit of momentum?
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Nm
kgms
-2
Ns
Ns
-1
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Question # 7
Walking on earth is the example of which law?
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First law
Second law
Third law
Law of momentum
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Question # 8
Coefficient of friction between tyre and dry road is.
Choose an answer
0.6
1
0.05
0.2
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Question # 9
Acceleration is produced by 20 N force it is due to:
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Inertia
Force
Momentum
None
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