A suitable unit for gravitational constant is
  • A$kg{\rm{ - }}\,m\;{\sec ^{ - 1}}$
  • B$N\;{m^{ - 1}}\sec $
  • C$N\,\,{m^2}\,k{g^{ - 2}}$
  • D$kg\,m\,{\sec ^{ - 1}}$
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