The bob of a pendulum of mass 𝑚 and length 𝐿 is displaced, 90° from the vertical and gently released. In
order that the string may not break upon passing through the lowest point, its minimum strength must be

April 18, 2022

by Ezee_Notes

with no comment

Physics Problems

Question : The bob of a pendulum of mass 𝑚 and length 𝐿 is displaced, 90° from the vertical and gently released. In order that the string may not break upon passing through the lowest point, its minimum strength must be

(A) 𝑚g

(B) 2𝑚g

(D) 4𝑚g

Answer : option (C)

Solution :

The bob of a pendulum of mass 𝑚 and length 𝐿 is displaced, 90° from the vertical and gently released. In
order that the string may not break upon passing through the lowest point, its minimum strength must be