A mass of 1kg is suspended by a string A. Another string C is connected to its lower end (see figure). If a sudden jerk is given to C, then

Options

A. The portion AB of the string will break
B. The portion BC of the string will break
C. None of the strings will break
D. The mass will start rotating

Answer

B

Explanation

If a sudden jerk is given to C then it will experience tension due to inertia of rest of mass M. This force will not be transmitted to the string A and so the string C will break. Hence the portion BC of the string will brea