003 (part 1 of 4) 10.0 points
Calculate the force of gravity on an 85 kg
person at the surface of the Earth.
The acceleration of gravity is 9.8 m/s².
Answer in units of N.
004 (part 2 of 4) 10.0 points
What force of gravity exists at two times the
Earth's radius?
Answer in units of N.
005 (part 3 of 4) 10.0 points
What force of gravity exists at four times the Earth's radius?
Answer in units of N.