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Chapter 4 - Work and Energy - 2
1.
An example of non-conservative force is:-
a) Gravitational Force
b) Frictional Force
c) Magnetic Force
d) Electric Force
2.
The expression for the escape velocity is given by:-
a) 2gR
2
b) 2gR
c) 2gR
d) gR
2
/ 2
3.
Geyser derives its energy from the:-
a) Moon
b) None
c) Earth
d) Sun
4.
The area under a force-displacement curve gives ..................
a) Path
b) Joule
c) Work
d) Moon
5.
Work is a .................. quantity.
a) Path
b) Scalar
c) Joule
d) Conservative field
6.
N.m is also called ..................
a) Conservative field
b) Path
c) Joule
d) ML T
-2
7.
The work done in a gravitational field is always independent of the ..................
a) Power
b) Conservative field
c) Path
d) ML T
-2
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