1.

An astronaut of mass m is working on a satellite orbiting the earth at a distance h from the earth.s surface . The radius of the earth is R, while its mass is M. The gravitational pull F_G on the astronaut is :

Answer»

Zero since astronaut feels weightless
`(GMM)/(R+h)^2 lt F_G GT (GMm)/R^2`
`F_G=(GMm)/(R+h)^2`
`0 lt F_G lt (GMm)/R^2`

Answer :C


Discussion

No Comment Found