Chapter 9 Study Guide

Question 1

if its distance from another object is changing

Answer 1

motion

Question 2

a place or object used for comparison to determine if something is in motion

Answer 2

reference point

Question 3

the length of a path between two points

Answer 3

distance

Question 4

the length and direction that an object has moved from its starting point

Answer 4

displacement

Question 5

a quantity that consists of both a magnitude and a direction

Answer 5

vector

Question 6

the distance the object travels per unit of time

Answer 6

speed

Question 7

divide the total distance traveled by the total time

Answer 7

average speed

Question 8

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

Answer 8

instantaneous speed

Question 9

speed in a given direction

Answer 9

velocity

Question 10

the steepness of a line on a graph

Answer 10

slope

Question 11

the rate at which velocity changes with time

Answer 11

acceleration

Question 12

when an object is caused to move a certain distance

Answer 12

work

Question 13

ability to do work or cause change

Answer 13

energy

Question 14

the energy an object has due to its motion

Answer 14

kinetic energy

Question 15

stored energy that results from the position or shape of an object

Answer 15

potential energy

Question 16

potential energy related to an object’s height

Answer 16

gravitational potential energy

Question 17

the potential energy of objects that can be stretched or compressed

Answer 17

elastic potential energy

Question 18

an object’s combined kinetic energy and and potential energy

Answer 18

mechanical energy

Question 19

states that when one form of energy is transformed to another, no energy is destroyed in the process

Answer 19

law of conservation of energy