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Which of the following is an evidence to show that here must be force acting on earth and directed toward the sun?

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in Engineering Physics I by (558k points)
Which of the following is an evidence to show that here must be force acting on earth and directed toward the sun?

(a) Deviation of the falling bodies towards east

(b) Revolution of the earth round the sun

(c) Phenomenon of day and night

(d) Apparent motion of sun around the earth

The question was posed to me during an internship interview.

Origin of the question is Gravitational Potential Field in portion Mechanical Properties of Solids of Engineering Physics I

1 Answer

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Right choice is (b) Revolution of the earth round the sun

Easiest explanation: The revolution of the earth around the sun is due to the centripetal force provided but the gravitational attraction of the sun on the earth.

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