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24 December, 01:12

Which object moves in simple harmonic motion?/

a stretched rubber band with an mass

b rolling ball going down a hill

c moving car

d orbiting satellite

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Answers (1)
  1. 24 December, 03:15
    0
    Answer:Stretched rubber band with an mass

    Explanation:

    Simple harmonic motion requires a restoring force.

    Simple harmonic motion should be periodic.

    Option A:

    When a rubber band is stretched, the internal forces of the rubber band pulls the band inside. So, internal forces are the restoring forces in a rubber band.

    The motion is periodic as well since the the rubber band makes to an fro motion expanding ans contracting.

    So, this performs SHM.

    Option B:

    There is no restoring force and no periodicity.

    So, this is not SHM.

    Option C:

    There is no restoring force and no periodicity.

    So, this is not SHM.

    Option D:

    There is periodicity but no restoring force.

    So, this is not SHM.
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