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9th Class Physics Chapter 3 Dynamics English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
Friction causes _____________
Choose an answer
Heat
Light
Mass
Weight
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Question # 2
The direction of momentum is
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opposite to motion
Along the velocity
Perpendicular to motion
None of these
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Question # 3
A body has mass 986 Kg than W = ............... .
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9860 kg
9860 N
9860 m/s2
Nil
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Question # 4
The force which opposes the motion is called.
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Momentum
Friction
Inertia
Tension
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Question # 5
A ball of mass 1 kg moving wih velocity 2 ms
-1
its momentum will be;
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1 Ns
2 Ns
0.5 Ns
4 Ns
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Question # 6
Sliding friction can be changed into rolling friction by using:
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Ball bearing
Roller bearing
Both a and b
None of these
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Question # 7
All divers need to wear seat belt because of effect of:
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Inertia
Gravity
Car force
Nil
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Question # 8
Outer edge of the curved road is elevated to prevent
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Circular motion
Centripetal force
Skidding
Protection
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Question # 9
The velocity and acceleration of the body moving with uniform speed in a circular path will be:
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In same direction
In opposite direction
Mutually perpendicular
Equal
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Question # 10
Newton related inertia of the body with its
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Weight
Mass
Density
Force
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Question # 11
The unit of coefficient of friction .
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Newton
ms
-1
ms
-2
No unit
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Question # 12
What is unit of momentum?
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Kg m/s
m
c
Nil
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Question # 13
The weight of body is 147 N, Its mass will be ________ when g = 10 ms
-2
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1.47 kg
14.7 kg
47 kg
1.51 kg
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