More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
ECAT Physics Chapter 4 Work and Energy Online Test MCQs With Answers
Question # 1
Power is a :
Choose an answer
Vector quantity
Base quantity
Scalar quantity
None of these
Previous
Skip
Next
Question # 2
If force and displacement are in opposite direction, the work done is taken as
Choose an answer
Positive work
Negative work
Zero work
Infinite work
Previous
Skip
Next
Question # 3
When velocity of moving body is doubled, the quantity which is also doubled is its:
Choose an answer
K.E.
Acceleration
Momentum
P.E.
Previous
Skip
Next
Question # 4
The commercial unit of electrical energy is :
Choose an answer
K Watt
KWH
Horse power
Joule
Previous
Skip
Next
Question # 5
When two protons are brought are brought closer potential energy of both of them:
Choose an answer
Increases
Decreases
Remains same
None of these
Previous
Skip
Next
Question # 6
A labourer carrying a distance a load on his head moves from rest on a horizontal road to another point where he comes to rest. He has done:`
Choose an answer
Minimum work
Maximum work
Zero work
Negative work
Previous
Skip
Next
Question # 7
The energy stored int he water of the dam is:
Choose an answer
Electric energy
Kinetic energy
Potential energy
None of these
Previous
Skip
Next
Question # 8
In the force applied to parallel to the direction of motion, then the work done is:
Choose an answer
Positive
Negative
Zero
None of these
Previous
Skip
Next
Question # 9
When the body is moves against the force of friction on a horizontal plane, the work done by the body is:
Choose an answer
Positive
Negative
Zero
None of these
Previous
Skip
Next
Question # 10
A two Kg block is held 1 m above the floor for 50 seconds, the work done is:
Choose an answer
Zero
10.2 J
100 J
980 J
Previous
Skip
Next
Question # 11
In the force applied is parallel to the direction of motion, then work done is:
Choose an answer
Maximum
Minimum
Zero
None of these
Previous
Skip
Next
Question # 12
A body moves a distance of 10 m along a straight line under the action of a force of 5 N and work done is 25J. The angle which the force makes the direction of motion will be:
Choose an answer
60
°
90
°
30
°
0
°
Previous
Skip
Next
Question # 13
A field in which the work done is moving a body along closed path is zero is called:
Choose an answer
Nuclear filed
Conservative field
Gravitational field
Non-conservative field
Previous
Skip
Next
Question # 14
The space around the earth in which its gravitational force acts on a body is called
Choose an answer
Electric Field
Gravitational field
Magnetic field
Conservative field
Previous
Skip
Next
Question # 15
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
Previous
Skip
Next
Question # 16
Which one is conservative force
Choose an answer
Electric force
Frictional force
Normal force
Air resistance
Previous
Skip
Next
Back