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Answer:
A type of motion in which a particle moves to and fro about a fixed point is known as vibratory motion . For example - pendulum, swings, turning fork etc.
Explanation:
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Answer:
Actual Definiton :-The oscillating, reciprocating, or other periodic motion of a rigid or elastic body or medium forced around fixed mean positions is called vibratory motion
Book definition:- A type of motion in which a particle moves to and fro about a fixed point is known as vibratory motion.(dukh ki baat to ye hai ki exam mein yehi likhna parega jo ki accurate nhin hai )
Explanation:
When a material particle (may be any body or medium) moves back and forth about a mean position( meaning a central position) within fixed limits within fixed intervals of time and the 2 ends of the body are fixed is called vibration.
In case of medium like air vibration means the particles of air move about fixed mean position and do not suffer any net displacement
Eg. The motion of a plucked string of guitar or any other stringed instrument
The motion of a tabla skin when beaten
The motion of tuning fork after being struck
All oscillatory(eg. motion of pendullum) and reciprocating(eg motion of carpenter saw and piston of engine) motions are also vibratory motions