# data[].attributes.body
The act of accelerating; increase of speed or velocity.
http://www.dictionary.com/browse/acceleration?s=t

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The action or process of moving or of changing place or position; movement.
http://www.dictionary.com/browse/motion?s=t

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In physics, something that causes a change in the motion of an object. The modern definition of force.
www.dictionary.com/browse/force

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Balance forces are two forces acting in opposite directions on an object, and equal in size.
http://eschooltoday.com/science/forces/balanced-forces.html

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In physics, the Net force is the overall force acting on an object. To calculate net force, the body is isolated and interactions with the environment or other constraints are represented as forcesand torques in a free-body diagram.
https://en.wikipedia.org/wiki/Net_force

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physical power or strength possessed by a living being.
http://www.dictionary.com/browse/force?s=t

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Rapidity in moving, going, traveling, proceeding, or performing; swiftness;  celerity
http://www.dictionary.com/browse/speed?s=t

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The total distance traveled divided by the total time elapsed.
http://www.dictionary.com/browse/average-speed?s=t

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Static friction is the friction that exists between a stationary object and the surface on which it's resting.
http://study.com/academy/lesson/static-friction-definition-formula-examples.html

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Kinetic friction, also known as sliding friction or movingfriction, is the amount of retarding force between two objects that are moving relative to each other.

http://study.com/academy/lesson/coefficient-of-kinetic-friction-definition-formula-examples.html

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Surface resistance to relative motion, as of a body sliding or rolling.
http://www.dictionary.com/browse/friction?s=ts