

MCQOPTIONS
Saved Bookmarks
1. |
Can friction be eliminated entirely by polishing surfaces or by using lots of lubricants? |
A. | Polishing makes friction nil and increases the moving object's velocity enormously |
B. | Friction occurs that is almost negligible |
C. | Friction cannot be totally eliminated as there will be some irregularities |
D. | Friction can be made zero by polishing |
Answer» D. Friction can be made zero by polishing | |