Damped Oscillation

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In damped oscillation amplitude decreases because?

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1. **Damping**: This refers to the gradual reduction in the amplitude of an oscillating system due to resistive forces (like air drag or internal friction).
2. **Conservative vs Non-conservative**: In an ideal SHM, total energy is conserved. Non-conservative forces (like friction) do work that depends on the path, converting mechanical energy into heat.
3. **Energy Dissipation**: Since total energy $E \propto A^2$, a loss of energy leads to a **decrease in amplitude**.
4. **Envelope**: The amplitude typically decays exponentially with time ($A = A_0 e^{-bt/2m}$).

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Damped Oscillation

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