Question

Three blocks each of mass m are hanged vertically with the help of inextensible strings and ideal spring. Initially the system was in equilibrium. At any instant lower most string is cut then acceleration of block B just after cutting the string is

Answer 1

Explanation:

Two blocks A and B of mass 2m and m respectively and they are connected by a mass less and in extensible string.The equilibrium condition FBD of 2m Kx = ...

Answer 2

hope it's clear........