some other relevant topics based on the gravitational force are given below 

• Angular momentum
• Anti-gravity, the idea of neutralizing or repelling gravity
• Artificial gravity
• Birkeland current
• Gravitational wave
• Gravitational wave background
• Cosmic gravitational wave background
• Einstein–Infeld–Hoffmann equations
• Escape velocity, the minimum velocity needed to escape from a gravity well
• g-force, a measure of acceleration
• Gauge gravitation theory
• Gauss's law for gravity
• Gravitational binding energy
• Gravity assist
• Gravity gradiometry
•  Gravity Recovery and Climate Experiment
• Gravity Research Foundation
• Jovian–Plutonian gravitational effect
• Kepler's third law of planetary motion
• Lagrangian point
• Micro-g environment, also called microgravity
• Mixmaster dynamics
• n-body problem
• Newton's laws of motion
• Pioneer anomaly
• Scalar theories of gravitation
• Speed of gravity
• Standard gravitational parameter
• Standard gravity
• Weightlessness
•  all these are available in the Wikipedia of gravity you can have the detailed explanition for each and every topic in the post available to you now....