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Online Tests
ECAT Physics Chapter 3 Motion and Force Online Test MCQs With Answers
Question # 1
An object thrown in arbitrary direction in space with an initial velocity and moving freely under gravity will follow
Choose an answer
a circular path
a straight line
a hyperbola
a parabola
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Question # 2
A body of weight 1 N has a kinetic energy of 1 joule when its speed is:
Choose an answer
1.46 m sec
-1
2.44 m sec
-1
3.42 m sec
-1
4.43 m sec
-1
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Question # 3
The short distance between two points direction from its initial point to final point is called:
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Velocity
Displacement
Speed
Distance
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Question # 4
When the surfaces are coated with a lubricant, then they
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Stick to each other
Slide upon each other
Roll upon each other
None of these
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Question # 5
Force is a:
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Scalar quantity
Base quantity
Derived quantity
None of these
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Question # 6
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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Question # 7
The mass of a body measured by a physical balance in a lift at rest is found to be m, if the lift is going up with an acceleration a, its mass will be measured as
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m (1 - a/g)
m (1 + a/g)
m
Zero
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Question # 8
The direction of the linear momentum is the direction of
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speed
velocity
weight
none of them
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Question # 9
A rocket carries its own fuel in the form of
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liquid only
liquid or solid
liquid and solid
liquid or solid and oxygen
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Question # 10
The shortest distance between two points directed from its initial point to final point is called:
Choose an answer
Velocity
Displacement
Speed
Distance
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Question # 11
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 # 12
The quantity F x t is called as
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momentum
velocity
acceleration
impulse
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Question # 13
The magnitude of the force producing an acceleration of 10 m/sec2 in a body of mass 500 grams is:
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3 N
4 N
5 N
6 N
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Question # 14
The decrease in velocity per unit time is called
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deceleration
acceleration
uniform acceleration
variable acceleration
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Question # 15
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 # 16
Ethanol (alcohol) as a type of:
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Electric fuel
Bio fuel
Nuclear fuel
None of these
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