A tuning fork is excited and its stem is pressed on a wooden table.
a) The table starts to vibrate. What is this type of vibration called?
b) Under what condition, can resonance occur in this case?

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Solution

a) The table undergoes vibration known as forced vibration.
b) Resonance occurs when the natural frequency is equal to the forced frequency of the vibrating body (tuning fork).

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A tuning fork is excited and its stem is pressed on a wooden table.a) The table starts to vibrate. What is this type of vibration called?b) Under what condition, can resonance occur in this case?

a) The table undergoes vibration known as forced vibration.b) Resonance occurs when the natural frequency is equal to the forced frequency of the vibrating body (tuning fork).

A tuning fork is excited and its stem is pressed on a wooden table.
a) The table starts to vibrate. What is this type of vibration called?
b) Under what condition, can resonance occur in this case?

a) The table undergoes vibration known as forced vibration.
b) Resonance occurs when the natural frequency is equal to the forced frequency of the vibrating body (tuning fork).