Q. What is the maximum velocity with which a body of mass 'm' must enter a vertical loop of radius 'R'so that it can complete the loop?A) 0 B) gR C) 2gR D) 5gR
A) B
B) A
C) D
D) C
✔ Correct Answer: D
Exam Insight
The maximum velocity with which a body of mass \(m\) must enter a vertical loop of radius \(R\) to complete the loop is \(v = \sqrt{5gR}\).