Atpl system
Classified in Physics
Written at on 
English with a size of 1.35 KB.
Scalar: physical quantity that has magnitude but no direction
Vector: a physical quantity that has both magnitude and direction
resultant: a vector that represents sum of two or more vectors
Vectors are represented ; scalar do not
a resultant vector operation represents the sum of two or more vectors
vectors can be added graphically
Phythagorean theorem for rigth triangles
c2=a2+b2
(length of hyp)2=(length of one leg)2+(length of the other leg)2
definiton of tangent
find direction of the resultant
tan0=opp sobre adj
components of a vector: the projections of vector along the axes of a
coordinate system
definition of sin opp adj oppleg hyp
cos ajd opp ajd hyp