Question

Choose the correct statement A) Friction can produce heat B) Friction supports the motion C) Friction opposes the relative motion between two surfaces in contact D) All the above

Answer 1

Answer:

A

Explanation: bcz friction opposes a motion and produces heat so two of them are correct but it doesnot supports motion under any condition since it is not clear in option C that whether the contacted surfaces are in motion or not so A would be most appropriate here