MCQ
Which of the following statements are correct.
  • A
    friction acting on a cylinder without sliding on an inclined surface is always upward along the incline irrespective of any external force acting on it.
  • B
    friction acting on a cylinder without sliding on an inclined surface is may be upward may be downwards depending on the external force acting on it.
  • C
    friction acting on a cylinder rolling without sliding may be zero depending on the external force acting on it.
  • Both $(B)$ and $(C)$

Answer

Correct option: D.
Both $(B)$ and $(C)$
d

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