physics chapter 4

what is another way to write 0

090T

what map direction is equivalent to Cartesian 180

270T

the symbol for the angle used to determine the scalar components of a vector is

A

what is a vector

F

map directions are measured from

True North

1 of 2 or 3 vectors that are parallel to the designated coordinate axes that are summed to prodice the resultant vextor

component vectors

2 vectors that are added together to produce a resultant are called ______ of the vector

components

the projections of a vector onto its coordinate axes are the ____ of the vector

components

what is true about similar triangles

corresponding sides are proportional

when multiplying a vector by a positive scalar number, the vectors_____ stays the same

direction

when illustrating vectors, the indicator of the magnitude of the vector is the _____ of the arrow

length

the modules of a vector is the same quantity of

magnitude

what is always positive

magnitude

2 vectors are considered equal if they have the same ____

magnitude and direction

when resolving vectors into components or finding resultants, _____ is more accurate than _______

mathematical techniques; geometric techniques

what can you do to a vector without changing it

move the vector through any angle other than 360 degrees

the acute angle between a vector and its horizontal component vector

reference angle

triangles containing 90degree angles are called _____ angles

right

a triangle containing a 90 degree angle

right triangle

triangles with congruent corresponding angles

similar triangles

ina right triangle, the ratio o fthe length of the side opposite to the acute angle O to the length of the hypotenuse

sine O

a vector diagram has 3 essential parts: the tip, the magnitude, and the ____

tail

the diference of vectors A and B can be constructed by placing

the tail of A to the tail of B

the resultant is the arithmetic sum of the magnitudes only if

the vectors are in the same direction

when illustrating vectors, the indicator of the direction of the vector is the ____ of the arrow

tip

what isn't true about vectors magnitude

trigonometry is necessary to compute it from component vectors

you can compute all unknown parts of a right triangle if you know the measures of any ____ parts

two

what is not an essential part of a vector diagram

vector component

what does commutative property of vectors say

vectors can be added in any order

the projections of a vector onto its coordinate axis are the __________ of the vector

x and y components