The earth (mass=6 xx 10^24 kg) revolves ...

The earth (mass=`6 xx 10^24` kg) revolves around the Sun with angular velocity `2 xx 10^-7 rad//s` in a circular orbit of radius `1.5 xx 10^8` km. The force exerted by the Sun on the earth in Newton is

zero

`18 xx 10^25`

`27 xx 10^39`

`36 xx 10^21`

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