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a force is any interaction that, when unopposed, will change the motion of an object.

https://en.wikipedia.org/wiki/Force
The boy kicked the ball and then the ball had force.

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surface resistance to relative motion, as of a body sliding or rolling

http://www.dictionary.com/
The stick man could friction the big block.

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the rubbing of the surface of one body against that of another.

http://www.dictionary.com
The ground had static friction with the box.

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that acts between moving surfaces.

www.softschools.com/formulas/physics/kinetic_friction_formula/92/
The women pushed the table into kinetic friction because it slid into another object.

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two forces acting in opposite directions on an object, and equal in size.

eschooltoday.com/science/forces/balanced-forces.html
The two hands prevented the box from moving which is a balance force.

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in an interval of time is the distance travelled by the object divided by the duration of the interval;

https://en.wikipedia.org/wiki/Speed
The cars average speed was higher than the cops.

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defined as the sum of all the forces acting on an object.

study.com/academy/lesson/what-is-net-force-definition-magnitude-equations.html
The ball had no net force so it added up to zero.

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a basis or standard for evaluation, assessment, or comparison; a criterion.

https://www.collinsdictionary.com/us/dictionary/english/reference-poin
The reference point on the car was that the left headlight was broken.

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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
The man rode the bike to the finish line with all the motion it had.

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increase in the rate or speed of something.

https://en.wikipedia.org/wiki/Acceleration
The rollercoaster gained more acceleration the faster it went.

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the rate at which someone or something is able to move or operate.

www.dictionary.com/browse/speed
The speed of the car was 220 MPH.