# data[].attributes.body
constant of the universe and is always the same number.
http://study.com/academy/lesson/gravitational-force-definition-equation-examples.html

# data[].attributes.body
he force that attracts a body toward the center of the earth, or toward any other physical body having mass. For most purposes Newton's laws of gravity apply, with minor modifications to take the general theory of relativity into account.http://www.dictionary.com/browse/gravity

# data[].attributes.body
the resistance that one surface or object encounters when moving over another. https://www.livescience.com/37161-what-is-friction.html

# data[].attributes.body
Projectile motion is a form of motion in which an object or particle (in either case referred to as a projectile) is thrown near the Earth's surface, and it moves along a curved path under the action of gravity only .http://www.physicsclassroom.com/Class/vectors/u3l2a.cfm

# data[].attributes.body
the quantity of motion of a moving body, measured as a product of its mass and velocity

http://www.physicsclassroom.com/Class/momentum/u4l1a.cfm

# data[].attributes.body
the rate of change of velocity per unit of time. https://www.khanacademy.org/science/physics/one-dimensional-motion/acceleration-tutorial/a/acceleration-article

# data[].attributes.body
a force that acts on a body moving in a circular path and is directed toward the center around which the body is moving.
http://hyperphysics.phy-astr.gsu.edu/hbase/cf.html

# data[].attributes.body
In fluid dynamics, drag (sometimes called air resistance, a type of friction,

https://www.universetoday.com/73315/what-is-air-resistance/

# data[].attributes.body
the rate at which someone or something is able to move or operate. https://www.thoughtco.com/speed-2699009