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Online Tests
Physics 9th Class English Medium Unit 3 Online Test MCQs With Answers
Question # 1
In which case it is easy for the tyre to roll over:
Choose an answer
Rough ground
Smooth ground
Same
None
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Question # 2
The centripetal acceleration is always along.
Choose an answer
Normal force
Centripetal forces
Mass
Horizental forces
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Question # 3
Walking on earth is the example of which law?
Choose an answer
First law
Second law
Third law
Law of momentum
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Question # 4
Which types of friction of maximum
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Sliding
Rolling
Both a and b
None
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Question # 5
________ is used to measure the force or weight of a body :
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Physical balance
Spring balance
A and B both
None
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Question # 6
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 # 7
A force of 20 N is acting on a body of mass 8 kg,Its acceleration will be
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2.5 ms-2
4.5 ms-2
5.5 ms-2
3.5 ms-2
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Question # 8
That force which produces an acceleration of one metre per second per second in a body of one kilogram mass is called
Choose an answer
1 joule
1 newton
1 watt
1 ampere
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Question # 9
The weight of a body of mass 20 kg is:
Choose an answer
2 N
10 N
20 N
200 N
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Question # 10
The Atwood machine can be used to find the acceleration due to gravity using the equation
Choose an answer
g = 2 (m1 x m2)/(m1 + m2) a
g = (m1 - m2)/(m1 + m2) a
g = (m1 + m2)/(m1 - m2) a
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Question # 11
The amount of matter in a body is called:
Choose an answer
Velocity
Momentum
Mass
Force
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Question # 12
Which of the following is unit of momentum?
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Nm
Kgms
-2
Ns
Ns
-1
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Question # 13
The unit of momentum is :
Choose an answer
kgms
-1
kgms
-2
m sec
None
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