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why& when do we use vector form?? what is meant by retardition??

  1. why& when do we use vector form??
  2. what is meant by retardition??
  3.  

Grade:12

2 Answers

Divyanshu Rathore
24 Points
7 years ago
We use vector forms when cases are direction dependent.Means direction is important while considering the quantities.
e.g ;  velocity,acceleration etc.
 
 
Retardation,again,means acceleration in opposite DIRECTION of motion
.
Umakant biswal
5349 Points
7 years ago
@ RAM 
if the velocity of the object decrease in the same direction , the object has a retradation . 
it also called as negative acceleration and retradation . 
or u can simply tell it is -ve acceleration .. 
and about the vector quantity , the question will tell u if u need to mention in vector form , no need to worry . 
there are some exception , like current , it have direction as well as magnitude , but its scaler . 
HOPE IT CLEARS YOUR DOUBT 
ALL THE BEST ..

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