Distance d=1.5 x 108km = 1.5 x 1011 mMass of the sun, m=2× 1030 kgMass of the earth, M = 6 * 1024 kgForce of gravitation, F = G * m * M/d2= 6.67 * 10-11 * 2 * 1030 * 6 * 1024/ (1.5 * 1011)2= 6.7 * 12* 1021/ 1.5 * 1.5F = 3.57 * 1022 N

Q. 374.0( 22 Votes )

The mass of sun i

Class 9th Lakhmir Singh & Manjit Kaur - Physics 3. Gravitation

Answer :

Distance d=1.5 x 10⁸km = 1.5 x 10¹¹ m

Mass of the sun, m=2× 10³⁰ kg

Mass of the earth, M = 6 * 10²⁴ kg

Force of gravitation, F = G * m * M/d²

= 6.67 * 10^-11 * 2 * 10³⁰ * 6 * 10²⁴/ (1.5 * 10¹¹)²

= 6.7 * 12* 10²¹/ 1.5 * 1.5

F = 3.57 * 10²² N

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