Laws Of Motion Question 132
Question: A mass of 1 kg is suspended by a string A. Another string C is connected to its lower end. 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
Show Answer
Answer:
Correct Answer: B
Solution:
[b] When a sudden jerk is given to C, an impulsive tension exceeding the breaking tension develops in C first, which breaks before this impulse can reach A as a wave through block.
