Physics, asked by sarugautam1, 1 month ago

the mass of Earth is 6×10²⁴kg. what is the value of acceleration due to gravity of an object which is at a distance of 19200 km from centre of Earth (G=6.67×10^-11 Nm²/kg²)​

Answers

Answered by brainlllllllllly
6

Mass of earth  m_{1}  = 6 * 10^{24} kg

Mass of the object  m_{2} = 1kg

Radius of the earth = 6.4 * 10^{6}  m

Universal gravitational constant G = 6.67 * 10^{-11} Nm^{2} kg^{-2}

By applying universal law of gravitation: - F =  (\frac{G m_{1} * m_{2}  }{r^{2} } )

 

=\frac{(6.67 * 10^{-11} * 6 * 10^{24} *1)}{(6.4 * 10^{6})^{2}   }

F = 9.8 N

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