Question

what is force of gravity experienced by an object of mass 2 kg placed on the surface of the earth given that mass of Earth is equal to 6 ×10²⁴ kg ,radius of the earth 6.4 × 10 to the power 6 metre and gravity is equal to 6.7 ×10-¹¹​

Answer 1

Answer:

Given :       Mass of earth    M=6×1024 kg

                   Mass of object    m=1 kg

                  Radius of earth       R=6.4×106 m 

Force of gravitation between them, F=R2GMm

F=(6.4×106)26.67×10−11×(6×1024)×1=9.77 N

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