Log in

View Full Version : Circular Motion and Gravitation


mdearman
Dec 3, 2012, 07:04 PM
Find the magnitude of the gravitational force a 66.6 kg person would experience while standing on the surface of Earth with a mass of 5.98*10^24 kg and a radius of 6.37*10^6 m. Answer in the units of N.

ebaines
Dec 4, 2012, 07:40 AM
Use the equation for force of gravity:


F = \frac {G mM}{R^2}


The value for G (the gravitational constant) is 6.67 x 10^(-11) m^3/Kg/s^2.