//! Implementation of forces to be used in a Body; generally not meant to be changed
//! - Gravity: represents the basic Newton gravitational force
//!
//! # Examples
//! ```
//! use neophys::force::gravity::Gravity;
//! // Instantiate a new force Gravity
//! let f = Gravity::new(0.0, 0.0);
//! ```
use crate*;