Question
Physics Question on work, energy and power
Work done by friction over a closed path is not zero and no potential energy can be associated with friction. Every force encountered in mechanics have an associated potential energy.
A
If both assertion and reason are true and reason is the correct explanation of assertion
B
If both assertion and reason are true but reason is not the correct explanation of assertion
C
If assertion is true but reason is false
D
If both assertion and reason are false
Answer
If assertion is true but reason is false
Explanation
Solution
Every force encountered in mechanics does not have an associated potential energy.