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Q: Which of the following is difficult without friction?
  • A. Moving a heavy box from one place to another
  • B. Playing carrom
  • C. Holding a glass tumbler
  • D. The movement of the door
Correct Answer: Option C - Holding a glass tumbler is difficult because frictions get reduced.
C. Holding a glass tumbler is difficult because frictions get reduced.

Explanations:

Holding a glass tumbler is difficult because frictions get reduced.