Question

give differences between resonant vibrations and forced vibrations

Answer 1

Hello dear!!

Resonant vibrations : Forced vibration in which the frequency of the disturbing force is very close to the natural frequency of the system, so that the amplitude of vibration is very large.

Forced vibrations : When one object vibrating at the same natural frequency of a second object forces that second object into vibrational motion. The result of resonance is always a large vibration. This is also an example for resonance.

Hope it helps..!!

Answer 2

.Hi Maria !
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Free Vibrations -These  are oscillations where the total energy stays the same over time. This means that the amplitude of the vibration stays the same.

Forced Vibration-occur when the object is forced to vibrate at a particular frequency by a periodic input of force.
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If an object is being forced to vibrate at its natural frequency, resonance will occur and you will observe large amplitude vibrations