If the sum of the vectors is zero, the two vectors have same magnitude and ………
directions.
11.Quantities that have only ………. are called scalars.
A ……… has both magnitude and direction.
The change in position along a certain direction is called ……… .
Force is a ……… quantity.
Mass is a …….. quantity.
The combined effect of two (or) more vectors is called …….. .
The vector sum of two vectors is called ……… vector.
18.The process of sub-dividing into two or more vectors is called ……… .
A vector can be represented by an ………. .
Vectors of ………. kinds may not be added.
.Find the slope of each line which contains each pair of points listed below.
(a) (0,0) and (8,4) (b) (10,5) and (6,78) (c) (2,-2) and (4,2)
(d) (0,3) and (-2,3) (e) (-2,0) and (0,6) (f) (15,6) and (-2,23)
(g) (-5,7) and (3,8) (h) (63,49) and (-7,9) (i) (5/2 ,4/3 ) and (-13/2 ,16/3 )
(j) (2a,3b) and (-a,b) (k) (5√2 ,6√3 ) and (√8, √12
