ESS
Grade-9
Easy

Question

The planets move in their respective orbit by_________.

  1. Inertia and gravitational force
  2. Inertia and frictional force
  3. Potential energy and inertia
  4. None of these

hintHint:

Planets orbit the sun in an elliptical orbit due to gravitactional force

The correct answer is: Inertia and gravitational force


    • The Sun's gravity pulls the planets towards which provides the centripetal force for circular motion of planets.

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