What is a force of gravity between the earth and the mass of 20 kilogram placed on its surface?
Answers
Answered by
3
Answer:
1.8 * 10^2
Explanation:
mass of earth =6 * 10^24 kg
mass of object placed on earth + 20 kg
radius of earth =6.4 * 10^6 m
F = Gm1m2/ r^2
F = 6.67 * 10^-11 * 6 * 10^24 * 20 /( 6.4 * 10 ^6 )^2
F = 1.8 * 10^ 2 N
Similar questions