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What is the effect of liquid on a spring-mass system which is immersed in it?
a) The motion is simple harmonic but with frequency which is lower compared to when it is in air.
b) The motion is always damped harmonic type.
c) The motion is always overdamped.
d) The motion is either of the damped harmonic type, or it is overdamped, depending on the liquid.
Only one option is correct
@peter
True, I knew the answer and I exactly thought the way you said but I had not attended the damping classes in school and I wasn't so sure.
Thanks!
3 Answers
- PeteRLv 69 years agoFavorite Answer
Drop a 500 pound weight on a spring into water.
Drop a 5 ounce weight on a spring into honey.
What do you think will happen?
Do they behave the same?
Are they different?
I think you already know the answer, you just need some self-confidence.
- 9 years ago
I think that the answer is option (d).
Since the viscosity of the liquid is a determining factor about how much resistive force it will apply on the system.
However, note this that in most cases it will be over-damped.Only in cases where the viscosity of the liquid is surprisingly low can it exhibit simple harmonic motion.
- ?Lv 49 years ago
d) The motion is either
of the damped
harmonic type, or it is
overdamped, depending
on the liquid.
