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Online Tests
9th Class Physics Chapter 4 Turning Effect of Forces English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
Cos 0
°
=
Choose an answer
0.5
1
0.866
0
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Question # 2
Tan 90
°=
Choose an answer
Infinity
1
0
0.866
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Question # 3
Sin 45
o
is
Choose an answer
0.707
0.5
1
0.2
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Question # 4
Which is not an example of torque?
Choose an answer
Opening a nut
Door opening
Picking up a toy
All of them
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Question # 5
................. can be add algebraically.
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Scalar quantities
Vector
All
None
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Question # 6
The turning effect of force is called:
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Torque
Parallel force
Equilibrium
Couple
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Question # 7
A couple consists of how many forces:
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1
2
3
4
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Question # 8
A body is in neutral equilibrium when its centre of gravity:
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Is at its highest position
Is at the lowest position
Keep its height if displaced
Is situated at its bottom
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Question # 9
Racing cars are made stable by :
Choose an answer
Increasing their speed
Decrease their mass
Lowering their center of gravity
Decreasing their width
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Question # 10
A body is in equilibrium when its:
Choose an answer
Acceleration in uniform
speed in uniform
Speed and Acceleration are uniform
Acceleration is Zero.
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Question # 11
Complete equation fy/fx =
Choose an answer
Sin𝜽
Cos 𝜽
Tan𝜽
Cos ec𝜽
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Question # 12
_____________ is centre from which its mass is equally distributed:
Choose an answer
Cebtre of mass
Centre of gravity
All of above
None
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Question # 13
If force is 200 N and length of spanner is 0.15 then torque will be:
Choose an answer
30 Nm
15Nm
20 Nm
10 Nm
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