Question

Explain natural and forced vibrations with examples.

Answer 1

1. Natural vibrations: Natural vibrations are produced in a body, being slightly disturbed from its mean position.
2. Example of natural vibrations: Pulling a child back on a swing and letting go
3. Forced vibrations: When a body executes vibrations under the action of an external periodic force, then the vibrations are called forced vibrations.
4. Example of forced vibrations: When a washing machine shakes due to an imbalance.