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Online Tests
ECAT Physics Chapter 3 Motion and Force Online Test MCQs With Answers
Question # 1
A ball is dropped from a certain height and another ball is projected horizontally from the same point. Which of the following statement is correct?
Choose an answer
Both hit the ground at the same veloctiy
Both hit the ground at the same speed
The change of velocity during the path for both balls is the same
The change of speed during the path for both balls is the same
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Question # 2
The velocity given to a body to go out of the influence of earth's gravity is known as:
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Terminal velocity
Orbital velocity
Escape velocity
None of these
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Question # 3
Earth is considered to be
Choose an answer
a non-inertial frame
an inertial frame
an accelerated frame
none of the above
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Question # 4
At the top of the trajectory of a projectile the acceleration is
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The maximum
The minimum
Zero
g
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Question # 5
What will be the ratio of the distance moved by a freely falling body from rest in 4th and 5th seconds of journey?
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4 : 5
7 : 9
16 : 25
1 : 1
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Question # 6
Slope of velocity-time graph represents:
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Acceleration
Speed
Torque
Work
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Question # 7
When brakes are applied to a fast moving car, the passengers will be thrown:
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Forward
Backward
Downward
None of these
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Question # 8
A body moving with uniform velocity has
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positive acceleration
negative acceleration
infinite acceleration
zero acceleration
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Question # 9
Which of the following four statements is false?
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A body can have zero velocity and still be accelerated
A body can have a constant velocity and still have a varying speed
A body can have a constant speed and still have a varying velocity
The direction of the velocity of a body can change when its acceleration is constant
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Question # 10
A man fires a bullet of mass 200 g at a speed of 5 m/s. The gun is of one kg mass. By what velocity the gun rebounds backwards?
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0.1 m/s
10 m/s
1 m/s
0.01 m/s
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Question # 11
To get a resultant displacement of 10 m, two displacement vectors of magnitude 6 m and 8 m should be combined
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Parallel
Antiparallel
At angle 60
°
Perpendicular to each other
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Question # 12
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 # 13
A body of mass 1.0 kg is falling with an acceleration of 10 m/s
2
. Its apparent weight will be (g=10 m/s
2
)
Choose an answer
1.0 kg wt
2.0 kg wt
0.5 kg wt
Zero
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Question # 14
The vertical component of velocity of a projectile during its motion is minimum
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at the time of projection
at the highest point
just before hitting the plane of projection
all of them
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Question # 15
The effect of applying a force on a moving body is to change
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its direction of motion only
its speed of motion only
both the direction and speed of motion
its inertia only
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Question # 16
A cold soft drink is kept on the balance. When the cap is opened, then the weight
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Increases
Decreases
First increases, then decreases
Remains same
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