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Online Tests
ECAT Physics Chapter 3 Motion and Force Online Test MCQs With Answers
Question # 1
An object is dropped from a height of 100 m. Its velocity at the moment it touches the ground is:
Choose an answer
100 m/sec
140 m/sec
1960 m/sec
196 m/sec
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Question # 2
The projectile motion is composed of
Choose an answer
horizontal motion only
vertical motion only
horizontal and vertical motion
none of them
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Question # 3
Inertial frame of references are those frame of references which are moving with
Choose an answer
increasing velocity
decreasing velocity
constant velocity
all of them
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Question # 4
The magnitude of the displacement is a line from initial position to final position which is
Choose an answer
straight
curved
either be curved or straight
none of them
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Question # 5
Acceleration of a body at any particular instant during its motion is known as
Choose an answer
average acceleration
uniform acceleration
instantaneous acceleration
all of them
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Question # 6
Force is a:
Choose an answer
Scalar quantity
Base quantity
Derived quantity
None of these
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Question # 7
The consumption source if energy is:
Choose an answer
Energy from blomass
Hydroelectric energy
Geothermal energy
None of these
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Question # 8
Two bullets are fired simultaneously, horizontally and with different speeds from the same place. Which bullet will hit the ground first?
Choose an answer
The faster one
Depends on their mass
The slower one
Both will reach simultaneously
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Question # 9
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 # 10
A projectile on its path gets divided into two pieces at its highest point. Which is true?
Choose an answer
Momentum increases
Momentum decreases
Kinetic energy increases
Kinetic energy decreases
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Question # 11
When two protons are brought closer potential energy of both of them:
Choose an answer
Increases
Decreases
Remains same
None of these
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Question # 12
Which quantity has the same units as impulse
Choose an answer
force
work
linear momentum
acceleration
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Question # 13
According to the law of conservation of linear momentum, the total linear momentum of an isolated system
Choose an answer
increases
decreases with time
remains constant
none of them
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Question # 14
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 # 15
Change in momentum is one second called.
Choose an answer
Impulse
Force
Energy
Work
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