A particle of mass 3m is suspended from the ceiling by a spring of force constant k. A second particle of mass 2m is suspended from the first particle by a second identical spring. The rest lengths of both springs are lo. The particles can only move vertically. Gravity acts as usual in the vertical direction.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A particle of mass 3m is suspended from the ceiling by a spring of force constant k. A second
particle of mass 2m is suspended from the first particle by a second identical spring. The rest
lengths of both springs are lo. The particles can only move vertically. Gravity acts as usual in the
vertical direction.
b)
c)
3m
d)
2m
a)
How many degrees of freedom does the system have?
[Expect to use a line to answer this question.]
нееееееее
k
Write down the Lagrangian of the system. Write down the Euler-Lagrange equations.
[Expect to use about half a page to answer this question.]
Find the equilibrium position of the particles.
[Expect to use a few lines to answer this question.]
Determine the frequencies and amplitudes of the normal modes.
[Expect to use about half a page to answer this question.]
e) Repeat the calculation with the gravitational force turned off. How do the normal frequen-
cies change?
[Expect to use a few lines to answer this question.]
Transcribed Image Text:A particle of mass 3m is suspended from the ceiling by a spring of force constant k. A second particle of mass 2m is suspended from the first particle by a second identical spring. The rest lengths of both springs are lo. The particles can only move vertically. Gravity acts as usual in the vertical direction. b) c) 3m d) 2m a) How many degrees of freedom does the system have? [Expect to use a line to answer this question.] нееееееее k Write down the Lagrangian of the system. Write down the Euler-Lagrange equations. [Expect to use about half a page to answer this question.] Find the equilibrium position of the particles. [Expect to use a few lines to answer this question.] Determine the frequencies and amplitudes of the normal modes. [Expect to use about half a page to answer this question.] e) Repeat the calculation with the gravitational force turned off. How do the normal frequen- cies change? [Expect to use a few lines to answer this question.]
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