The motion of the moving skin of a talking drum can rightly be described as
A
translational
B
random
C
rotational
D
oscillatory
E
transitory
Verified Correct Answer: D.
Physical Principles & Numerical Solution
The skin of the drum vibrates back and forth when struck, creating sound waves, which is characteristic of oscillatory motion.
Source: Myschool Past Questions Archive (Record #29079)