Question

What is oscillatory motion and vibratory motion

Answer 1

Oscillatory motion
Oscillatory motion means tro and fro movement of body about its mean position.
it can be defined as distance covered by movement about its equilibrium position.
where as vibratory motion can be in all direction.
example for oscillatory motion : movement if swing.
movement of simple pendulum.

Vibratory motion
Vibratory motion is the physical change brought about due to movement of body
where as vibratory motion can be in all direction.
example for vibratory motion:
movement of strings of guitar , violin. etc