Unit 7 Math Quiz

Question 1

Component Form

Answer 1

<x2-x2, y2-x1>

Question 2

Linear Combination

Answer 2

ai + bj

Question 3

A pair is equivalent when

Answer 3

the component form is the same
(also same magnitude and slope)

Question 4

Trigonometric form

Answer 4

||m||<cos(theta), sin(theta)>

Question 5

Resultant force

Answer 5

trig form + trig form
find magnitude of it

Question 6

Dot product

Answer 6

v*w = a1a2 + b1b2

Question 7

Angle between vectors

Answer 7

cos(theta) = (a dot b)/||a||||b||

Question 8

Vector Projection (V onto W)

Answer 8

ProjwV = ((v dot w)/||w||^2)W

Question 9

A vector is the sum of

Answer 9

ProjwV + W2

Question 10

If force is not in line

Answer 10

distance time proj ab F

Question 11

Unit Vector

Answer 11

1/||v|| times V