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JEE Main Physics Class 11 Oscillations Part 1 Questions
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© examsnet.com
Question : 56
Total: 100
Which of the following expressions corresponds to simple harmonic motion along a straight line, where
x
is the displacement and
a
,
b
,
c
are positive constants?
[Online April 12,2014]
a
+
b
x
−
c
x
2
b
x
2
a
−
b
x
+
c
x
2
−
b
x
Validate
Solution:
In linear S.H.M., the restoring force acting on particle should always be proportional to the displacement of the particle and directed towards the equilibrium position.
i.e.,
F
∝
x
or
F
=
−
b
x
where
b
is a positive constant.
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