Question

vibration means which motion of an object
please help me​

Answer 1

Answer:

Vibration means quickly moving back and forth (or up and down) about a point of equilibrium. ... The time it takes a vibrating object to go back and forth completely is the period. The number of back-and-forth movements in one second is its frequency, measured in Hertz

Answer 2

Answer:

$</p><p></p><p>\huge{\underline{\bold{\orange{a person's emotional state, the atmosphere of a place, or the associations of an object, as communicated to and felt by others.}}}$