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Physics
Identify the false statement from the following
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Q. Identify the false statement from the following
KEAM
KEAM 2010
Work, Energy and Power
A
Work-energy theorem is not independent of Newtons second law
20%
B
Work-energy theorem holds in all inertial frames
13%
C
Work done by friction over a closed path is zero
44%
D
No potential energy can be associated with friction
14%
E
Work done is a scalar quantity
14%
Solution:
Friction is a non-conservative force. Work done by a non-conservative force over a closed path is not zero. Hence, option is a false statement. While all other statements are correct.