Advertisements
Advertisements
प्रश्न
Which observation shows that interlocking of irregularities is not the real or primary cause of friction?
विकल्प
Friction disappears in liquids
Friction is always zero on rough surfaces
Making surfaces smoother sometimes increases friction
Friction only acts on heavy objects
MCQ
Advertisements
उत्तर
Making surfaces smoother sometimes increases friction
Explanation:
When surfaces are highly polished (very smooth), friction can increase, so interlocking cannot be the main cause.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
