Angle for SHM(Simple pendulum)

  1. Mar 8, 2012 #1
    Hi!

    Why it is necessary to has angle in radians for SHM(Simple pendulum)?
     
  2. jcsd
  3. Mar 8, 2012 #2

    tiny-tim

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    hi shayaan_musta! :smile:

    because everything works in radians

    in particular, v = rω only works in radians
     
  4. Mar 9, 2012 #3
    Thanks for reply.
    But sorry for your answer.

    I need a explanation that why don't we use degree instead of radians??

    Why physicist agree to use radians particularly.
     
  5. Mar 9, 2012 #4

    tiny-tim

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    if we use radians, everything is easier …

    v = rω

    a = rα

    etc
     
  6. Mar 9, 2012 #5
    This implies that if we use degree it is also OK. But use of radians is more easy that degree??
    Right?
     
  7. Mar 9, 2012 #6

    tiny-tim

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    no … if we use degrees

    v = 2πrω/360

    a = 2πrα/360 :wink:
     
  8. Mar 9, 2012 #7
    You mean, for degree we have to use this conversion??
     
  9. Mar 9, 2012 #8

    tiny-tim

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  10. Mar 9, 2012 #9
    OK. Thanks tiny-tim :)
     
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