28 times stronger than the force of gravity on the surface of the Earth.
Answer: 90 meters
Explanation: 60/20=3 and 3*30=90 so it is 90 meters.
Answer: Mass affects the weight of an object with the effects of gravity.
Weight is the measure of the force of gravity on an object's mass, while mass is the measure of how much matter there is in an object.
If they're brought closer together
