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Online Tests
Physics ECAT Pre Engineering Chapter 4 Work and Energy Online Test MCQs With Answers
Question # 1
The work done moving a body between two points in a conservation field is independent of the:
Choose an answer
Direction
Force applied
Path followed by the body `
Power
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Question # 2
A boy pulls a toy car through a distance of 5 m by applying a force of 0.5 N, Which makes an angle of 60
° with the horizontal. The work done by the boy is:
Choose an answer
1.25 J
12.5 J
125 J
None of these
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Question # 3
Work is always done on a body when:
Choose an answer
A force acts on it
It moves through certain distance
None of A and B is correct
Both A and B is correct
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Question # 4
The value of escape velocity of Earth planet comes out to be:
Choose an answer
11 m/sec
11 km/sec
11 km/hour
11 cm/sec
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Question # 5
The dimensions of work
Choose an answer
[MLT
-1
]
[MLT
-2
]
[ML
2
T
-2
]
[MLT]
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Question # 6
Work is a scalar product of
Choose an answer
Force, Velocity
Velocity, Displacement
Force, Displacement
Force, Momentum
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Question # 7
Teh consumption of energy by a 1000 watt heater in half an hour is:
Choose an answer
5 Kwh
0.5 Kwh
2.5 Kwh
3.2 Kwh
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Question # 8
Escape velocity from surface of Moon as compared to that from Earth surface is:
Choose an answer
Greater
Smaller
Equal
None of thes
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Question # 9
Work is a:
Choose an answer
Scalar quantity
Vector quantity
Base quantity
None of these
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Question # 10
Work done in lower and bucket into the well is:
Choose an answer
Zero
Positive
Negative
None of these
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Question # 11
The work done in moving a body between two points in a conservative field is independent of the
Choose an answer
Direction
Force applied
Path followed by the body
Power
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Question # 12
Work is a
Choose an answer
Scalar quantity
Vector quantity
Base quantity
None of these
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Question # 13
In the force applied is parallel to the direction of motion, then work done is:
Choose an answer
Maximum
Minimum
Zero
None of these
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Question # 14
The work done in moving a body between two points in a conservation field is independent of the:
Choose an answer
Direction
Force applied
Path followed by the body
Power
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Question # 15
The types of mechanical energy is/are:
Choose an answer
Kinetic energy
Potential energy
Both of these
None of these
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