Which of the following describes motion?

25% 25%25%25%

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A. A change in mass over time

B. A change in position over mass

C. A change in distance over time

D. A change in mass over distance

How do you know that the car is in motion?

A. The distance between the building and car changes.

B. The time it takes the car to move is constant.C. The distance between

the building and the car stays constant.

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What is the SI or metric unit for distance?

Mile

s

Gram

s

Meter

Feet

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a) Milesb) Gramsc) Meterd) Feet

What is used for comparison to tell if an object is in motion?

directi

on

refe

rence point

Speed

velocit

y

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a) directionb) reference pointc) Speedd) velocity

What is the formula needed to calculate speed of an object?

distance

x tim...

distance

/ tim...

time / dist

anc...

accelera

tion x...

I need help!

20% 20% 20%20%20%

A. distance x timeB. distance / timeC. time / distanceD. acceleration x timeE. I need help!

Joe Shmoe walks 30 meters in 10 seconds. What was his speed?

25% 25%25%25%

A. 5 meters/secondB. 3 seconds/meterC. 3 meters/secondD. I need help!

What is the only difference between speed and velocity?

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A. Speed is more complex while velocity is less complex.

B. Velocity is time divided by distance and speed is distance divided by time.

C. Velocity requires a direction while speed does not.

D. Speed and velocity are calculated differently.

E. I need help!

Which of the following is an acceptable unit for velocity?

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A. Meters per secondB. Feet per hourC. Miles per hour SouthD. Miles per hourE. I need help!

You are asked to create a graph that shows the speed of an object. What should be plotted on

the x and y axes?

A. Y axis = speed; X axis = timeB. Y axis = time; X axis = distanceC. Y axis = distance; X axis = timeD. Y axis = time; X axis =

acceleration

What is this graph showing?

A. A person walking at varying speeds.B. A person walking at a constant

speed and then stopping to rest.C. A person standing still.D. A person walked three miles.

What does this graph show?

A. The object is not moving.

B. The object is moving at a constant speed.

C. The object is moving at a constant speed then stopped to rest.

D. The object is moving at varying speeds.

Distance

0 TimeD

What does a steep slope of a line on a distance time graph indicate?

A. Speed is fastB. Speed is slowC. The object is not

movingD. Speed is changing

Which of the following is NOT an example of acceleration?

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A. Walking in a straight line at a constant speed

B. Approaching a stop signC. A ball rolling down a hillD. Turning around a corner at a

constant speed

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Which of the following best describes a decrease in speed?

Posi

tive

Accel

erat

ion

Neg

ativ

e Acc

eler

atio

n

Const

ant v

eloci

ty

Ave

rage

spee

d

25% 25%25%25%

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21 22 23 24 25 26 27 28 29 30

A. Positive Acceleration

B. Negative Acceleration

C. Constant velocityD. Average speed

Suzie is running around a track at a constant speed of 5 m/s. Why is she accelerating?

She is

running...

She is

changin...

She is

speedin...

She is

slowing..

.

25% 25%25%25%

A. She is running at a constant speed

B. She is changing direction

C. She is speeding upD. She is slowing down

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21 22 23 24 25 26 27 28 29 30

What is plotted on the y-axis when graphing acceleration?

Speed

Time

Dist

ance

Acceleration

25% 25%25%25%A. SpeedB. TimeC. DistanceD. Acceleration

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Force is measured in units of…

m/s

New

tons

m/s

2

gra

ms

0 000A. m/sB. NewtonsC. m/s2

D. grams

What is the net force?

10

N to th

e le

ft

10

N to th

e rig

ht 0

N 1

0 N

0 000

40 N 30 N

A. 10 N to the leftB. 10 N to the rightC. 0 ND. 10 N

What is the Net Force?

10

N to th

e le

ft

10

N to th

e rig

ht 0

N 1

0 N

0 000

40 N 40 N

A. 10 N to the leftB. 10 N to the rightC. 0 ND. 10 N

Which of the following arrows represents the force of friction?

A B C D

0 000

B

A

C

D

A. AB. BC. CD. D

Which one of the following forces opposes motion?

gravit

y

fricti

on

applied fo

rce

centri

petal fo...

25% 25%25%25%

a) gravityb) frictionc) applied forced) centripetal force

Why does the Earth have more gravity than the moon?

The moon re

vol...

The moon has l

...

Earth

is a gre

...

The Earth has

...

I don’t

know –...

0% 0% 0%0%0%

A. The moon revolves faster than the Earth

B. The moon has less mass than the Earth

C. Earth is a greater distance from the sun.

D. The Earth has more water on it.E. I don’t know – I need help!

Ignoring air resistance, what object will hit the ground first when each is dropped from the same height?

Bas

ebal

l

Bowlin

g bal

l

Both

will

hit

at s

ame

...

I don’t

know

- I n

eed

h...

0 000

A. BaseballB. Bowling ballC. Both will hit at

same timeD. I don’t know- I need

help!

Which statement best describes gravity?

Grav

ity push

es objects

...

Grav

ity acts

on all o

bject...

Grav

ity pulls

objects to

...

Grav

ity acts

the sa

me w..

I don’t

know – I n

eed help!

0% 0% 0%0%0%

A. Gravity pushes objects towards Earth

B. Gravity acts on all objects unless they are moving

C. Gravity pulls objects towards Earth

D. Gravity acts the same way on Earth as on the moon

E. I don’t know – I need help!

An object reaches its terminal velocity when…

the

forc

e of g

...

the

forc

e of g

...

the

forc

e of a

...

I don’t

know

–...

0% 0%0%0%

A. the force of gravity is greater

B. the force of gravity and the force of air resistance are balanced

C. the force of air resistance is greater

D. I don’t know – I need help!

The tendency of an object to resist a change in motion is

Grav

ity

Fricti

on

Inerti

a

Momentu

m

I don’t

know –...

20% 20% 20%20%20%A. GravityB. FrictionC. InertiaD. MomentumE. I don’t know – I

need help!

The greater the mass of an object…

the

less

er th

e...

the

great

er th

...

the

less

er th

e...

the

less

er th

e...

I don’t

know

–...

0 0 000A. the lesser the gravity.B. the greater the inertia.C. the lesser the force.D. the lesser the inertia.E. I don’t know – I need

help!

Which will have the greatest inertia?

Bowlin

g bal

l

Bas

ebal

l

Ten

nis B

all

Pin

g pong b

all

I don’t

know

- ...

20% 20% 20%20%20%1. Bowling ball2. Baseball3. Tennis Ball4. Ping pong ball5. I don’t know- I

need help!

Your parent presses the car brakes while driving …which of the following

describes your motion?

A. B. C. D. E.

0 0 000

A. Your body moves backwardB. Your body does not moveC. Your body moves forwardD. Your body remains at restE. I don’t know – I need help!

Newton’s Second Law states that…

Obje

cts

in m

otion

sta.

..

Obje

cts

at re

st s

tay

at...

If a

net

forc

e is

applie

...

For e

very

act

ion th

ere

..

I don’t

know

– I

need

...

0 0 000

A. Objects in motion stay in motion.

B. Objects at rest stay at rest.C. If a net force is applied onto an

object, it will accelerate.D. For every action there is an

equal and opposite reaction.E. I don’t know – I need help!

You are having difficulty pulling a pile of books in a wagon. What would be the best way to increase the acceleration of the wagon?

Rem

ove s

ome

books...

Add s

ome

books

to t.

.

Rem

ove th

e w

heels

...

Hav

e a

frien

d hel

p y..

I don’t

know

– I

need

...

20% 20% 20%20%20%A. Remove some books from the wagon.B. Add some books to the wagon.C. Remove the wheels from the wagon.D. Have a friend help you get on an exercise

programE. I don’t know – I need help!

A person pushes a 10kg shopping cart down the isle. The cart accelerates at a rate of 2m/s2. How much

force did he exert on the cart?

5 N 12 N

20 N 5 kg

I don’t

know – I n

eed help!

20% 20% 20%20%20%A. 5 NB. 12 NC. 20 ND. 5 kgE. I don’t know – I

need help!

What will happen to this object if the

forces are applied?

The

object

wil.

..

The

object

wil.

..

The

object

wil.

..

The

object

wil.

..

I don’t

know

–...

0 0 000

40 N 30 N

A. The object will accelerate to the left.B. The object will accelerate to the right.C. The object will stay at rest.D. The object will not accelerate.E. I don’t know – I need help!

Which of the following situations best illustrates Newton’s Third Law of Motion?

A boy pulling a

wagon, ..

.

Inflating a

balloon and r..

.

Moving fo

rward

when a c.

.

I don’t

know – I n

eed help!

0 000

A. A boy pulling a wagon, which accelerates.

B. Inflating a balloon and releasing it.

C. Moving forward when a car stops.

D. I don’t know – I need help!

Which of the following describes Newton’s Third Law of Motion?

Objects

at res..

.

If yo

u apply a...

Objects

in m

ot...

For e

very acti...

I don’t

know –...

0 0 000

A. Objects at rest stay at rest.B. If you apply a net force,

acceleration will occur.C. Objects in motion stay in motion.D. For every action there is an equal

and opposite reaction.E. I don’t know – I need help!

A space shuttle is being launched. Identify the action force.

Release of G

as

Grav

ity

Lift-O

ff

Weight o

f Shut..

.

I don’t

know- ..

.

0 0 000

A. Release of GasB. GravityC. Lift-OffD. Weight of ShuttleE. I don’t know- I

need help!

How does Newton’s 3rd Law apply to your ability to walk?

Gro

und pushes .

..

Your foot p

ush...

Your foot p

ush...

I don’t

know, ..

.

0 000

A. Ground pushes down and your foot pushes up.

B. Your foot pushes down with a greater force and the ground pushes back with a lesser force.

C. Your foot pushes down on the ground and the ground pushes back with an equal force.

D. I don’t know, I need help.