In the above questions, if the string c is stretched slowly 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
In the above questions, if the string c is stretched slowly 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