A mass of 2 kg is suspended with thread AB. Thread CD of the same type

1.	A mass of 2 kg is suspended with thread AB. Thread CD of the same type is attached to the other end of 2 kg mass.Lower end of the lower thread is pulled gradually, hander and hander is the downward directions so as to apply force on AB Which of the thread will break & why?If the lower thread is pulled with a jerk, what happens?
Answer» thread AB breaks down CD will break .

A mass of 2 kg is suspended with thread AB. Thread CD of the same type is attached to the other end of 2 kg mass.Lower end of the lower thread is pulled gradually, hander and hander is the downward directions so as to apply force on AB Which of the thread will break & why?If the lower thread is pulled with a jerk, what happens?

Answer»