A mass of 1 kg is suspended by a string. Another string C is connected to its lower end (as in the figure). If a sudden jerk is given to c, then _______.
A. The portion AB of the string break
B. The portion BC of the string will break
C. The mass will be rotating
D. none of the above
Answer:A
A mass of 1 kg is suspended by a string. Another string C is connected to its lower end (as in the figure). If a sudden jerk is given to c, then _______.
A. The portion AB of the string break B. The portion BC of the string will break C. The mass will be rotating D. none of the above