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kym02

what is the unit of force? Is it kgm/s or N? help i'm confused.....

  • one year ago
  • one year ago

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  1. himynameisjessica111
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    N

    • one year ago
  2. JamesJ
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    One Newton is defined as one kg.m/s^2 1 N = 1 kg.m/s^2

    • one year ago
  3. kym02
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    ok but there is this physics problem concerning the force of a bacteria....my teacher's answer was in kgm/s but most of the students in the class put N! what to do?

    • one year ago
  4. JamesJ
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    I'm sure he/she meant to write kg.m/s^2, as kg.m/s is NOT a unit of force.

    • one year ago
  5. kym02
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    ok then i will write it your way..is it 2 or -2?

    • one year ago
  6. JamesJ
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    \[ \frac{kg.m}{s^2} = kg.m.s^{-2} \] This comes from Newton's second law, \[ F = ma \] The units of mass, m, is kg. The units of acceleration a, is m/s^2. Hence the units of force is kg.m/s^2

    • one year ago
  7. kym02
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    excellent!! thank you!|dw:1359674319081:dw|

    • one year ago
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