RESOLUTION OF VECTORS AND COMPONENTS - B@K@R_PHYSICS

বুধবার, ১১ জুলাই, ২০১২

RESOLUTION OF VECTORS AND COMPONENTS





RESOLUTION OF VECTOR
DEFINITION
The process of splitting a vector into various parts or components is called "RESOLUTION OF VECTOR"
These parts of a vector may act in different directions and are called "components of vector".
We can resolve a vector into a number of components .Generally there are three components of vector viz.
Component along X-axis
 called x-component
Component along Y-axis called Y-component
Component along Z-axis called Z-component
Here we will discuss only two components x-component & Y-component which are perpendicular to each other.These components are called rectangular components of vector.
METHOD OF RESOLVING
A VECTOR INTO
RECTANGULAR COMPONENTS
Consider a vector .com/blogger_img_proxy/ acting at a point making an angle with positive X-axis. Vector .com/blogger_img_proxy/ is
represented by a line OA.From point A draw a perpendicular AB on X-axis.Suppose OB and BA
represents two vectors.Vector OA is parallel to X-axis and vector BA is parallel to Y-axis.Magnitude
of these vectors are Vx and Vy respectively.By the method of head to tail we notice that the sum of these vectors is equal to vector .com/blogger_img_proxy/.Thus Vx and Vy are the rectangular components of vector .com/blogger_img_proxy/.
Vx = Horizontal component of .com/blogger_img_proxy/.
Vy
 = Vertical component of .com/blogger_img_proxy/.
.com/blogger_img_proxy/
MAGNITUDE OF
HORIZONTAL COMPONENT
Consider right angled triangle DOAB
.com/blogger_img_proxy/
MAGNITUDE OF
VERTICAL COMPONENT
Consider right angled triangle DOAB
.com/blogger_img_proxy/

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