A block is released from height h on a smooth track whose final part is a vertical circle of radius R. Match each value of h with the corresponding statement about contact force or motion.

Physics · Work , Power and Energy · vertical circular motion

JEE Advanced

A block is released from height h on a smooth track whose final part is a vertical circle of radius R. Match each value of h with the corresponding statement about contact force or motion.

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List 1

  1. (A) h=5R/2

  2. (B) h=9R/2

  3. (C) h=R

  4. (D) h=2R

  5. E

List 2

  1. (P) Net force on the block at C is mg.

  2. (Q) Nₐ-Nᵦ=6mg.

  3. (R) Block leaves contact before B.

  4. (S) Block keeps contact with track between A and B.

  5. (T) N꜀>mg.

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