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Online Tests
Physics 9th Class English Medium Unit 4 Online Test MCQs With Answers
Question # 1
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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Question # 2
Perpendicular / Hypotenuse is called :
Choose an answer
Cos 𝜽
Sin 𝜽
Tan 𝜽
Tan
-1
𝜽
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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
Anticlockwise torque is taken:
Choose an answer
Negative
Neutral
Positive
Nil
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Question # 5
If there is no change in state of motion, then the body is said be i:
Choose an answer
Rest
Motion
Equilibrium
Rest & motion
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Question # 6
Unit of Resultant force is:
Choose an answer
Nm
-2
N.m
Nm
-1
N
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Question # 7
__________ forces have opposite direction:
Choose an answer
Unlike parallel
Parallel
Like parallel
None of these
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Question # 8
Forces on doubled arm spanner are called.
Choose an answer
Torque
Couple
Moment of force
Momentum arm
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Question # 9
Perpendicular / hypotenuse is equal to:
Choose an answer
Cos
θ
Tan
θ
Cosec
θ
Sin
θ
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Question # 10
Torque is a ___________ quantity.
Choose an answer
Vector
Scalar
Base
All of these
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Question # 11
To find x component of force 'F' we use formul:
Choose an answer
F Sin 𝜽
F Cos 𝜽
F tan 𝜽
F/F1
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Question # 12
Parallel forces are those whose:
Choose an answer
Times of action are parallel
Points of action are different
More than one forces
All of the given option
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Question # 13
_____________ easily undo bolt?
Choose an answer
Long spanner
Medium
Short spanner
Every spanner
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Question # 14
When equal opposite forces are added then the resultant force is ______________
Choose an answer
Double
Triple
Zero
None of these
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Question # 15
The angle between rectangular components of a vector is
Choose an answer
0°
90°
180°
270°
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Question # 16
Resultant vector can be found by:
Choose an answer
θ=tan
-1
Fy/ Fx
θ=tan
[
Fy/ Fx ]
θ=tan
-1
[ Fy/ Fj ]
None of these
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Question # 17
Sin 45 is equal to:
Choose an answer
Zero
0.5
0.707
1
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Question # 18
The unit of torque is:
Choose an answer
Nm
-2
Ncm
Nm
-1
Nm
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