Question

An object moves to-and-fro about its position of rest. What type of motion is this?
In One word answer​

Answer 1

Answer:

Oscillatory Motion

Or we can say Periodic Motion

Answer 2

Answer:

Explanation:

In vibratory motion, a part of the body always remains fixed and the rest part moves to and fro about its mean position. During vibratory motion, the shape and size of the object changes. Examples of various types of instruments creating vibratory motion ranging from a wire simply stretched between two fixed points to the sitar, guitar, violin, etc