chapter 2

Question 1

linear motion: all points on the body move

Answer 1

the same distance, direction, time

Question 2

rectilinear translation

Answer 2

straight line

Question 3

curvilinear translation

Answer 3

curved line

Question 4

descriptors of linear motion

Answer 4

how far, direction, how fast, speeding up or slowing down

Question 5

postion

Answer 5

location in space

Question 6

distance is vector or scalar

Answer 6

scalar

Question 7

displacement is vector or scalar

Answer 7

vector

Question 8

displacement

Answer 8

linear distance in a specified direction
straight line between initial and final

Question 9

speed is scalar or vector

Answer 9

scalar

Question 10

speed

Answer 10

length of path traveled

Question 11

velocity scalar or vector

Answer 11

vector

Question 12

speed vs velocity

Answer 12

speed is distance
velocity is displacementt

Question 13

instantaneous speed or velocity

Answer 13

rate of motion at an instant in time

Question 14

acceleration

Answer 14

rate of change in velocity

Question 15

acceleration unit

Answer 15

m/s^2

Question 16

speeding up to starting: acceleration is in the ___ direction of motion

Answer 16

same

Question 17

slowing down or stopping: acceleration is in the ___ direction of motion

Answer 17

opposite

Question 18

sign of velocity and sign of acceleration are the same when

Answer 18

body is speeding up

Question 19

sign of velocity and sign of acceleration is the opposite when

Answer 19

body is slowing down

Question 20

does acceleration change when dropping an object from different heights

Answer 20

no

Question 21

uniform acceleration

Answer 21

acceleration is constant

Question 22

uniform acceleration allows for

Answer 22

prediction of future position and velocity

Question 23

two main applications of uniform acceleration

Answer 23

vertical, horizontal

Question 24

projectile motion

Answer 24

an object in the air acted on only by forces of gravity and air resistance