What are damped oscillations?

Vedclass pdf generator app on play store
Vedclass iOS app on app store
(N/A) Damped oscillations are oscillations in which the amplitude of the oscillating system decreases over time due to the presence of dissipative forces,such as friction or air resistance.
In an ideal system,an oscillator would continue to vibrate indefinitely with constant amplitude. However,in real-world systems,energy is lost to the surroundings as heat or sound.
The equation of motion for a damped harmonic oscillator is given by $m \frac{d^2x}{dt^2} + b \frac{dx}{dt} + kx = 0$,where $m$ is the mass,$b$ is the damping constant,and $k$ is the spring constant.
As a result of these dissipative forces,the mechanical energy of the system gradually decreases,leading to the eventual cessation of motion.

Explore More

Similar Questions

$A$ spring-mass system executes damped harmonic oscillations given by the equation $y = A e^{-\frac{bt}{2m}} \sin(\omega' t + \phi)$,where the symbols have their usual meanings. If a $2 \ kg$ mass $(m)$ is attached to a spring of force constant $(K) = 1250 \ N/m$,the period of the oscillation is $(\pi / 12) \ s$. The damping constant $b$ has the value ..... $kg/s$.

The mechanical energy of a damped oscillator becomes half of its initial energy in $4 \ s$. In another $t \ s$,its mechanical energy becomes $12.5 \%$ of its initial mechanical energy. Then $t=$ (in $s$)

In forced oscillation of a particle,the amplitude is maximum for a frequency $\omega_{1}$ of the driving force,while the energy is maximum for a frequency $\omega_{2}$ of the driving force. Then:

$A$ block of mass $200 \, g$ is executing $SHM$ under the influence of a spring with spring constant $K = 90 \, N \, m^{-1}$ and a damping constant $b = 40 \, g \, s^{-1}$. The time elapsed for its amplitude to drop to half of its initial value is ...... $s$ (Given $\ln \frac{1}{2} = -0.693$).

$Assertion :$ The amplitude of an oscillating pendulum decreases gradually with time.
$Reason :$ The frequency of the pendulum decreases with time.

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo