Question

Distinguish between scalar and vector quality

Answer 1

The most important difference between scalar quantity and vector quantity is that
◆scalar quantity only has magnitude and no direction
whereas
◆vector quantity has both magnitude & directions.

The second difference is that
◆the scalar quantities do not follow vector addition but simply follow algebraic addition
whereas
◆the vector quantities follow vector addition.

In simple algebraic addition
A + B = C (say)

But in vector addition
A + B = √(A^2 + B^2 + 2ABcos●)

Some examples of scalar are
◆mass
◆electricity
◆distance
◆speed etc

Some examples of vectors are
◆velocity
◆displacement
◆acceleration etc.

HOPE IT HELPS..... :-)

Answer 2

*SCALAR -
1)THE PHYSICAL QUANTITIES WHICH HAVE ONLY MAGNITUDE IS KNOWN AS SCALAR.
2)THE LAWS OF ALGEBRA CAN BE USED FOR ADDED,SUBTRACTED,ETC.
3)EX:-LENGTH,MASS,TIME,TEMPERATURE,ETC.
4)IT IS REPRESENTED BY SIMPLE a,b,c,etc..

*VECTOR -
1)THE PHYSICAL QUANTITIES HAVING BOTH MAGNITUDE AND DIRECTION ARE CALLED VECTOR QUANTITY
2)WE CAN'T ADD,SUBTRACT,MULTIPLY,ETC..USING THE LAWS OF ALGEBRA BECAUSE IT HAS DIRECTIONS.
3)EX:-VELOCITY,ACCELERATION,FORCE,ETC..
4)IT IS REPRESENTED BY A BOLD ALPHABETS AND ALPHABETS WITH A ARROW HEAD ON LINE SEGMENT LIKE A BAR,B BAR,ETC... .LINE SEGMENT INDICATES THE MAGNITUDE OF BODY AND THE ARROW INDICATES THE DIRECTION OF THE BODY.

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