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
