chapter 11 flashcards

vocab

15 cards·by jnavarro@ofr5.com

frame reference

a system of objects that are not moving with respect to one another

reflective motion

movement in relation to a frame of reference

distance

the length of the path between two points

vector

a quantity that has a direction associated with it

resultant vector

the vector sum of two or more vectors

speed

ratio of the distance an object moves to the amount of time the object moves

average speed

is the total distance traveled divided by the time it takes to travel that distance

Instantaneous speed

is the rate at which an object is moving at a given moment in time

velocity

the speed and direction in which an object is moving

velocity

the speed and direction in which an object is moving

acceleration

changes in speed

free fall

the movement of an object toward earth slowly because of gravity

constant acceleration

a steady change in velocity

linear graph

forms straight line parts

nonlinear graph

a curve connects the data points that are plotted