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Online Tests
Physics 9th Class English Medium Unit 4 Online Test MCQs With Answers
Question # 1
The turning effect of force is called:
Choose an answer
Torque
Parallel force
Equilibrium
Couple
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Question # 2
The centre of gravity of hollow cylinder is the middle point on its:
Choose an answer
Curved side
axis
Bottom
On upper side
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Question # 3
If base of a right angle triangle is 3 cm and perpendicular is 2 cm. What is tan
θ
Choose an answer
0.7
1.5
2
3
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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
When 10 N along positive x-axis and 7 N along negative x-axis are added by head to tail rule. The resultant force is:
Choose an answer
17 N
10 N
7N
3 N
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Question # 6
After tilting if body come back to its original position then the body is in:
Choose an answer
Stable equilibrium
unstable equilibrium
Neutral equilibrium
Equilibrium
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Question # 7
F
x
= 4 N and F
y
=3N what is F?
Choose an answer
5N
1.5 N
16 N
9 N
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Question # 8
Anticlockwise torque is taken:
Choose an answer
Negative
Neutral
Positive
Nil
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Question # 9
Cos 0
o
is
Choose an answer
0
2
1
0.5
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Question # 10
Two equal but unlike parallel forces having different line of action produce:
Choose an answer
A torque
A couple
Equilibrium
Neutral equilibrium
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Question # 11
The formula of torque is:
Choose an answer
L= F x E
E = F x t
t = F x L
E = F x L
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Question # 12
Forces on doubled arm spanner are called.
Choose an answer
Torque
Couple
Moment of force
Momentum arm
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