Question

name the force that provides the necessary centripetal force for the earth around the sun in an approximately circular orbit
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Answer 1

Answer:

Gravitational force between earth and the sun provides the necessary centripetal force for the earth around the sun in an approximately circular orbit.

Answer 2

Answer:

Because the gravitational attraction of our Sun for the Earth is the centripetal force causing the Earth's circular motion around the Sun, we can use Newton's law of universal gravitation to find the mass of the Sun without visiting the Sun.