🎴 Flashcard Mode
Increasing and reducing friction - class-VIII
Card1 / 22
Mastered0
Review0
QuestionClick to flip
The surface of the head of a match stick and sides of a match box are deliberately made rough to:
AnswerClick to flip back
A
increase friction
💡 Explanation:
The rough surface will increase the friction and so the rough surface of match box and match stick will produce more friction which helps in firing the stick easily.