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In this lesson, we will learn how to calculate the energy lost due to dampening by resistive forces in systems exhibiting simple harmonic motion.
The amplitude of a lightly damped oscillator decreases by
during each cycle. What percentage of
the mechanical energy of the oscillator is lost in each cycle?
If a car has a suspension system with a force constant of
N/m, how much energy must the car’s shocks remove to dampen an oscillation starting with a maximum displacement of 0.0750 m?
A car with a mass of
kg bounces vertically with an initial velocity of
its original vertical position after bouncing. How much energy must the car’s
shock absorbers dissipate in order to dampen the bounce? Assume that the drag is
What quantity is the damping force in damped and forced vibrations proportional to?
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