Motion Descriptors (B)

Question 1

Motion Descriptors:

-describes how fast an object is
changing its position within a
span of time

-can be noted by v or s, and has a unit of m/s or m/s^-1

Answer 1

Speed

Question 2

Motion Descriptors

the rate of change in position
with respect to a reference
point

Answer 2

Velocity

Question 3

Type of Quantity of Speed

Answer 3

Scalar

Question 4

Type of Quantity of Velocity

Answer 4

Vector

Question 5

SI units for Speed and Velocity

Answer 5

m/s

Question 6

-as the displacement of the object
over the time elapsed. In other words

• it is the rate at which an object changes its position from one place to another

Answer 6

Average Velocity

Question 7

Motion Descriptor:

how an object changes its velocity per elapsed time

Answer 7

Acceleration

Question 8

SI Unit for acceleration

Answer 8

m/s²

Question 9

the direction of the velocity and acceleration are the same

Answer 9

Positive Acceleration

Question 10

velocity and acceleration have opposite directions

Answer 10

Negative Acceleration (Deceleration)

Question 11

the object is either traveling at a
constant velocity or it is not moving at all.

Answer 11

Zero Acceleration

Question 12

Motion is ___

Answer 12

Relative

Question 13

What is the symbol for Speed?

Answer 13

v , s

Question 14

What is the symbol for Velocity?

Answer 14

-> ->
v , s

Question 15

What is the formula for speed?

Answer 15

d
v = ———
t

Question 16

What is the formula for velocity?

Answer 16

->
-> d
v = ——
t