A uniform rod is placed at rest on a rough horizontal floor such that it is vertical. Due to a gentle disturbance it started failing down and friction is sufficient to avoid slipping. Then before the rod hits the floor

A uniform rod is placed at rest on a rough horizontal floor such that

1.	A uniform rod is placed at rest on a rough horizontal floor such that it is vertical. Due to a gentle disturbance it started failing down and friction is sufficient to avoid slipping. Then before the rod hits the floor
Answer» The ACCELERATION of centre of the rod is never EQUAL to g The centre of the rod MOVES along a vertical line The normal reaction never becomes zero The rod never leaves contact with the FLOOR Answer :D