physics chemistry
FRAME of REFERENCE 

 

FRAME of REFERENCE

A train, a child, a ball...

 

 

Description: A train, a chil, a ball. The trajectory of the small ball is different depending on whether the observer is on the train or off the train.

 

Definition
Frame of reference: A frame of reference is an OBJECT or a set of points in which the observer places himself to describe the movement of a given system.

 

flash animation   

 

 

 

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