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The Earth is acted upon by the gravitati...

The Earth is acted upon by the gravitational force of attraction due to the sun. They why does the Earth not fall towards sun?

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The earth revolves around the sun. The centripetal force is needed by the earth to revolve around the sun. This centripetal force is provided by the gravitational force between the sun and the earth. And this gravitational force restricts the earth to fall into the sun.
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