Question

calculate the force of gravitation due to earth = 6×10^24 kg radius of earth = 6400 km and universal gravitational constant G = 6.7×10^-11​

Answer 1

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F=GMm /R^2 M=Mass of the earth =6 x10*24kg m=mass of the body=1kg,R= Radius of the earth=6.4 x10*3m,G=Gravitational constant=6.67 x10*-11Nm*2/kg*2 then

F=6.67 x10*-11x6 x10*24 x1/6.4 x6.4 x10*3 x10*3

=6.67 x6 x10*13/6.4 x6.4 x10*6 =

667 x6 x10*7/64 x64=

0.97705 x10*7 =

9.7705 x10*6N