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Online Tests
ECAT Physics Chapter 3 Motion and Force Online Test MCQs With Answers
Question # 1
Which quantity has the same units as impulse
Choose an answer
force
work
linear momentum
acceleration
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Question # 2
A vehicle of mass 120 kg is moving with a uniform velocity of 108 km/h. The force required to stop the vehicle in 10s is
Choose an answer
120 x 10.8 N
180 N
720 N
360 N
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Question # 3
The mass of the object is a quantities measure of its
Choose an answer
speed
velocity
acceleration
inertia
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Question # 4
The expression F x t is called impulse if the time 't' is
Choose an answer
zero
very large
very small
infinite
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Question # 5
Swimming is based on the principle of
Choose an answer
Newton's 1st law
Newton's 2nd law
Newton's 3rd law
All
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Question # 6
The quantity F x t is called as
Choose an answer
momentum
velocity
acceleration
impulse
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Question # 7
A typical rocket consumes about
Choose an answer
100 kg s
-1
of fuel
1000 kg s
-1
of fuel
10000 kg s
-1
of fuel
100000 kg s
-1
of fuel
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Question # 8
Root out of the conventional source of energy:
Choose an answer
Energy from biomass
Hydroelectric energy
Geothermal energy
None of these
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Question # 9
Ethanol (alcohol) as a type of:
Choose an answer
Electric fuel
Bio fuel
Nuclear fuel
None of these
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Question # 10
The vertical and horizontal range will be equal id angle of projection is
Choose an answer
76
°
45
°
60
°
120
°
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Question # 11
If the acceleration of a body is not uniform, then velocity-time graph will be:
Choose an answer
Curve
Straight line
Sphere
All of these
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Question # 12
Bodies which falls freely under gravity provides good example of motion under:
Choose an answer
Uniform acceleration
Non-uniform acceleration
Uniform velocity
None of these
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Question # 13
The dimension of linear inertia is:
Choose an answer
MLT
2
ML
°
T
-2
ML
°T
°
MLT
-1
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Question # 14
The artillery shells travel along parabolic paths under the influence of
Choose an answer
magnetic field
electric field
electromagnetic field
gravitational field
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Question # 15
If the velocity time graph is a straight line parallel to time-axis, then it means that:
Choose an answer
The body is moving with uniform velocity
The body is moving with uniform acceleration
The body is at rest
None of above
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Question # 16
Work done along a closed path in a gravitational force is:
Choose an answer
maximum
Minimum
Zero
Unity
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