Rubbing a ruler on dry hair to attract paper bits : Electrostatic Force :: Earth holding the Moon in orbit :…

Rubbing a ruler on dry hair to attract paper bits : Electrostatic Force :: Earth holding the Moon in orbit : ___?
  1. Frictional Force
  2. Gravitational Force
  3. Muscular Force
  4. Magnetic Force

Solution

Static electricity attracts paper bits non-contantly, while Earth's gravity holds the Moon without physical contact.

Asked in: Homi Bhabha Practice

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