Question

16. A research satellite of mass 200 kg circles the earth in arn orbit of average radiuswhere R is the radius of earth. Assuming the gravitational pull on a mass of 1 kg on the earth's surface to be 10 N, the pull on the satellite will be (a) 880 N (c) 885 N 2 (b) 889 N (d) 892 N

Answer 1

b) 889 N

Step-by-step explanation:

We know g =
`(10 N)/(1 Kg)`

= 10 m/
`s^(2)`

Now we know, g' =
`g* (R^(2))/(r^(2))`

=
`10* (R^(2))/((3R)/(2)^(2))`

= 40 / 9

Therefore, pull on the satellite will be = Mg'

= 200 x 40 / 9

= 888.88 N

= 889 N

Pull on the satellite is 889 N