Force of Gravity and Gravitational Potential Energy Functions
from Zero to Infinity  APC Mechanics (12:34)
Calculus is used to determine the force of gravity and the gravitational potential energy between an object and a planet, inside and outside the planet. Equations and graphs are determined and discussed. This is an AP Physics C: Mechanics topic.
Content Times: 0:01 Basic universal gravitation equations 1:07 Outside the planet 1:42 Assumptions for inside the planet 3:38 Deriving mass inside r 4:23 Determining the equation for force of gravity inside the planet 5:24 Graphing the force of gravity inside the planet 5:59 Determining universal gravitational potential energy inside the planet 7:37 Solving for the constant C 8:49 Equation for universal gravitational potential energy inside the planet 9:41 Looking over the graphs 

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