work,energy and power
Asked by Janaki | 28th Sep, 2010, 05:46: PM
In classical mechanics, asimple harmonic motion is a motion in which, when displaced from its equilibrium position, body experiences a restoring force, F, proportional to the displacement, x according to Hooke's law:
where minus shows that force is opposite to displacement.
Maximum Potential energy U is given by
where X0 is the maximum elongation or compresseion of the spring.
U will be zero when x=0 i.e. when spring is in neutral position (F =0).In that position whole U is transferred into kinectic energy therefore K.E. is maximum at x=0.
when U is max. K.E. is minimum
& when U is mini. K.E. is maximum
Answered by | 29th Sep, 2010, 09:20: AM
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