translational
random
rotational
oscillatory
transitory
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The correct answer is **D. oscillatory**.
When a talking drum is played, the skin of the drum vibrates back and forth. This back-and-forth motion is a type of repetitive motion known as **oscillatory motion**. In oscillatory motion, the object moves to and fro about a mean or equilibrium position. This is the same type of motion observed in other musical instruments like guitar strings and cymbals when they are played.
So, the motion of the moving skin of a talking drum can rightly be described as oscillatory.
oscillatory motion is correct,oscillatory motion is when a body moves to and fro
reversing the direction of its motion and returning regularly to its original position
