JEE Main & Advanced
Physics
NLM, Friction, Circular Motion
Question Bank
Numerical Value Type Questions - Circular Motion
question_answer
A pendulum of length L = 15 cm is held with its string horizontal and then released. The string runs into a peg a distance 'd' below the pivot, as shown in figure. What is the smallest value of 'd' (in cm) for which the string remains taut at all times?