Solve
(6.7×10−11)(6×1024)(7.4×1022)(3.84×108)2
[Using, am÷an=a(m−n) & (am)n=am×n]
=6.7×6×7.43.84×3.84×10(−11+24+22−16)
=6.7×6×7.43.84×3.84×1019
=297.483.84×3.84×1019
=297.4814.7456×1019
=20.174×1019
The mass of the earth is 6×1024kg and that of the moon is 7.4×1022kg. If distance between the earth and the moon be 3.84×105 km, calculate the force exerted by the earth on the moon. (G=6.7×10−11Nm2kg−2).