the mass of a body is 40 kg . find the weight of the body on the surface of a planet whose mass is double the earth and radius is 4 times the earth
Answers
Answered by
2
the weight of the body= 40*1/8*g= 5*9.8 =49 N
Answered by
3
g' = GM' / R'^2
g' = G(2M) / (4R)^2
g' = GM / 8R^2
g' = g / 8
g' = 9.8 / 8
g' = 1.225 m/s^2
Weight of the body on planet is -
W = mg'
W = 40 × 1.225
W = 49 N
Similar questions