The Earth’s radius is 6.4 x 10^6 m and 1kg = 2.2lb. What is the force that the Earth exerts on you?
Using what you found out in question 1, what is the force that you exert on the Earth?
What would the Sun’s force be on the Earth, if our planet were twice as far from the Sun as it is now?
How does that force (from number 3) compare to the force from the Sun at our present location?
