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Forces & Energy Test Review

Total questions: 99

Worksheet time: 3hrs 23mins

Name
Class
Date
1.
A car travels 300 km in 6 hours. What is the average speed of the car (in km/hr)?
a)
0.02 km/hr
b)
1,800 km/hr
c)
50 km/hr
d)
50 km
2.
A storm is moving toward your house at a speed of 20 km/hr.  It is now 60 km away from your house.  In what time will the storm reach your house?
a)
0.3 hours
b)
1200 hours
c)
3 km
d)
3 hours
3.
An airplane leaves Orlando, FL and travels 540 miles to Washington D.C. The flight takes 90 minutes. What is the speed of the plane?
a)
0.17 m/s
b)
6 m/s
c)
6 s 
d)
480 m/s
4.
A hot air balloon traveled 2.5 hours at a speed of 450 km/hr. What distance did it travel?
a)
87 m/s
b)
1300 m/s
c)
180 km
d)
1,125 km
5.
What is the speed of a helicopter that traveled 1200 miles in 7 hours?
a)
70,000 seconds
b)
171 hours
c)
8,400 mi/hr
d)
171 mi/hr
6.
A train travels 25 km in .5 hrs. How fast is the train going?
a)
25 miles/hr
b)
5 miles/hr
c)
125 km/hr
d)
50 km/hr
7.
What is the equation to calculate distance?
a)
distance = speed/time
b)
distance = time/speed
c)
distance = speed/distance
d)
distance = speed x time 
8.
A car travels 30 miles/hr for 3 hours, calculate the distance it will travel
a)
90 miles
b)
10 miles
c)
600 miles
d)
90 km
9.
A boat travels at 22 km/hr for 10 hrs, what distance will it travel?
a)
220 miles
b)
2.2 km
c)
220 km
d)
22 km
10.
What is the speed of a man who runs 10 miles in 1 hr?
a)
20 miles
b)
10 m/min
c)
10 miles/hr
d)
20 hrs
11.
A man runs at 10 m/min for 5 min, what distance will he run?
a)
10 miles
b)
10 m
c)
5 m
d)
50 m
12.
A speed boat travels 200 miles at a speed of 20 miles/hr. How much time will it take to travel the 200 miles?
a)
10 hrs
b)
10 miles
c)
400 hrs
d)
100 km
13.
Dave runs a 400 m race with a speed of 4 m/s. What time will it take him to finish the race?
a)
400 minutes
b)
100 minutes
c)
100 seconds 
d)
.25 seconds 
14.
Which of the following is a unit of speed?
a)
km/hr
b)
hr
c)
km
d)
s
15.
Which of the following is a unit of time?
a)
km/hr
b)
hr
c)
km
d)
mi
16.
Which of the following is a unit of distance ?
a)
miles/hr
b)
hr
c)
km
d)
min
17.
Which of the following is a unit of distance ?
a)
miles/hr
b)
mi
c)
s
d)
min
18.
Which of the following is a unit of time?
a)
sec
b)
mi
c)
m/s
d)
km
19.
Which of the following is a unit of speed ?
a)
sec
b)
mi
c)
m/s
d)
min
20.

Mrs. Priester walked 2 miles in 10 minutes, what is her speed?

a)

0.2 miles/min

b)

2 miles/min

c)

20 miles/min

d)

40 miles/min

21.

Mrs. Swalm drives a speed boat 22 km at 45 km/hr how, how long will it take him to go the 22 km?

a)

48 hrs

b)

0.48 hrs

c)

990 hrs

d)

45 min

22.

Mrs. Squitiere drives a race car for 4 hrs at 150 miles/hr. How far will he travel?

a)

600 km

b)

60 miles

c)

6 miles

d)

600 miles

23.
What is the speed of a car that travels 400 m in 20 minutes?
a)
20 miles/hr
b)
20 m/min
c)
800 m/min
d)
200 miles/hr
24.
What is the equation to calculate speed?
a)
speed = distance/time
b)
speed = time/distance
c)
speed = time x distance 
d)
speed = speed/time 
25.
What is the equation to calculate time?
a)
time = speed/distance
b)
time = distance/speed 
c)
time = speed x distance 
d)
time = distance x speed
26.
What is velocity?
a)
the quickness of an object
b)
the location of an object
c)
acceleration
d)
speed in a specific direction
27.
Find the velocity of a truck that travels 75 miles north in 2.5 hours.
a)
187.5 mph north
b)
30 mph north
c)
300 mph north
d)
200 mph north
28.
Find the velocity of a plane that traveled 3000 miles west in 5 hours.
a)
65 mph west
b)
6 mph west
c)
600 mph west
d)
6000 mph west 
29.
How far will a person go if they jog for 2 hours at a speed of 12 km/hr?
a)
6 km
b)
0.5 km
c)
10 km
d)
24 km
30.
A plane traveled for about 2.5 hours at a velocity of 1200 km/hr.  What distance did it travel?
a)
3000 km
b)
480 km
c)
3000 m
d)
480 m 
31.
An object moves from a position of -10 m to -5 m. Velocity will be:
a)
positive
b)
negative
32.
An object moves from a position of +10 m to +5 m.  Velocity is:
a)
positive
b)
negative
33.
What is the speed of a car that traveled 32 m in 2 seconds?
a)
64 m/s
b)
34 m/s
c)
16 m/s
d)
0.0625 m/s
34.
Which will cause a moving object to change direction?
a)
Force
b)
Gravity
c)
Inertia
d)
Speed
35.
Why doesn't the moon crash into the Earth?
a)
The moon has more mass, so the Earth orbits around it.
b)
The moon's gravitational force is weak.
c)
Inertia keeps the moon stationary.
d)
The moon has a lot of mass and is farther away.
36.

as the mass of an object increases, the pull of gravity...

a)

Increases

b)

Decreases

c)

Stays the same

37.

Why do we have a stronger gravitational attraction with Earth than the Sun?

a)

the sun has a larger mass

b)

the Earth has a larger mass

c)

we are closer to center of sun

d)

we are closer to center of Earth

38.

If a feather and a hammer are dropped at the same time on the moon, where there is no atmosphere, which one will hit the ground first?

a)

Neither, there is no gravity on the moon.

b)

hammer because it has more mass

c)

feather because it has less mass

d)

both will hit at the same time, there is no wind resistance

39.
What does the strength of gravity between two objects depend upon?
a)
Mass & distance
b)
Mass & weight
c)
Gravity & inertia
d)
Inertia & mass
40.
Which of these best describes why your weight (on Earth) would change on another planet?
a)
Dehydration effects on different planets change weight.
b)
In general, the smaller the planet, the greater weight
c)
Different planets have different gravitational pulls
d)
Weight does not change, no matter where you are.
41.
Which of the following will not change in different gravitational fields?
a)
weight
b)
force
c)
mass
d)
pounds
42.

The force of gravity (mass x gravity) is also known as...

a)

mass

b)

weight

c)

distance

d)

acceleration

43.
Mass is a measurement of 
a)
how much matter is present in an object
b)
how much weight is present in an object
c)
the amount a spring is compressed on a scale
d)
none of the answers are correct
44.

Gravity on moon is less than the gravity on earth because

a)

a. moon's mass is less

b)

b. moon's mass is more

c)

c. moon's mass is equal to Earth

d)

d. moon has no mass

45.
As mass increases, what happens to gravitational force?
a)
increases
b)
decreases
c)
stays the same
d)
i don't know
46.
Which model has greater gravitational attraction (if any)
a)
Model A
b)
Model B
c)
Both Model A and Model B (same gravity)
47.
If you increase the mass on an object, its acceleration
a)
decreases
b)
stays the same
c)
also increases
d)
stops
48.
How much force is needed to accelerate a 3kg skateboard at 5m/s2. 
a)
8N
b)
1.6N
c)
0.6N
d)
15N
49.
How much force is needed to accelerate a 25kg bowling ball at 2m/s2. 
a)
50N
b)
5N
c)
12.5N
d)
100N
50.
If a 2kg bird is pushed by the wind with a force of 2N, how fast does the bird accelerate?
a)
1 m
b)
2 m/s2
c)
4m/s2
d)
1 m/s2
51.
An object will remain at rest unless a balanced force acts upon it.
a)
False
b)
True
52.
Newton's law of motion describes the relationship of force, mass, and acceleration. Write the equation.
a)
M=F/A
b)
F=MA
c)
A= F/M
d)
All of the above
53.
A squid pushes water back with its tentacles to allow it to swim forward.
a)
Law of Inertia
b)
Law of Force and Acceleration
c)
Law of Action-Reaction
54.
An 18-wheeler requires more time and distance to stop than a Mini-Cooper.
a)
Law  of Inertia
b)
Law of Force and Acceleration
c)
Law  of Action-Reaction
55.

What is the force on a 1000 kg elevator that is falling freely at 9.8 m/sec2

a)

102.04 n

b)

9,800 n

c)

980 n

d)

103 n

56.
What is the acceleration of a 50 kg object pushed with a force of 500 newtons?
a)
100 m/s2
b)
25,000 m/s2
c)
10 m/s2
d)
25 m/s2
57.
Newtons 1st law of motion states:
a)
An object in motion will stay in motion and an object in rest will stay in rest unless acted upon by and unbalance force.
b)
For every action there is an equal and opposite reaction. 
c)
Acceleration is produced when a force. acts on a mass. 
d)
The greater the mass  the greater the amount of force needed to change its motion. 
58.
Newtons 1st law of motion states:
a)
An object in motion will stay in motion and an object in rest will stay in rest unless acted upon by and unbalance force.
b)
For every action there is an equal and opposite reaction. 
c)
Acceleration is produced when a force. acts on a mass. 
d)
The greater the mass  the greater the amount of force needed to change its motion. 
59.
The law of inertia is also known as which law of motion?
a)
Newtons first law of motion. 
b)
Newtons second law of motion. 
c)
Newtons third law of motion. 
d)
Inertia has nothing to do with the laws of motion. 
60.
A 50 kg skater pushed by a friend accelerates 5 m/sec2.  How much force did the friend apply?
a)
45 N
b)
15 N 
c)
10 N
d)
250 N
61.
A force of 250 N is applied to an object that accelerates at a rate of 5 m/sec2.  What is the mass of the object?
a)
100kg 
b)
1,250kg
c)
50kg
d)
5kg
62.
Which is an unbalance force?
a)
A book sitting on a desk.
b)
A ball moving in a constant speed in the same direction. 
c)
While doing a mannequin challenge Jose suddenly falls over when a bug lands on his nose. 
d)
Every student in class is sitting perfectly still at their desks.
63.
You give a shopping cart a shove down the isle. The cart is full of groceries and has a mass of 18 kg. The cart accelerates at a rate of 3 m/s2. How much force did you exert on the cart?
a)
6N
b)
54N
c)
21N
d)
18N
64.

The bigger the unbalanced force acting on the object, the ______ the acceleration of the object.

a)

bigger

b)

smaller

65.

The greater the mass of the object, the greater it is will resist a change in its motion.

a)

True

b)

False

66.

If two boxes are pushed with the same amount of total force, and one weighs 1kg and the other weighs 100kg, which one will accelerate faster?

a)

1kg box

b)

100 kg box

c)

they will accelerate at the same rate

67.

How much force is needed to accelerate a 25kg bowling ball at 2m/s2.

a)

50N

b)

5N

c)

12.5N

d)

100N

68.

If a 2kg bird is pushed by the wind with a force of 2N, how fast does the bird accelerate?

a)

1 m

b)

2 m/s2

c)

4m/s2

d)

1 m/s2

69.
What is the unit for FORCE? 
a)
N (Newtons)
b)
lbs (pounds)
c)
g (grams)
d)
m/s (meters per second)
70.
If there are two forces going in the SAME direction, you would ...?
a)
(-) Subtract the forces
b)
(+) Add the forces
c)
Neither
d)
(x) Multiply
71.

If the net force is 0 the object will ...

a)

CHANGES motion

b)

STAY the SAME, NOT Move

72.
What is the net force?
a)
17 N Right
b)
3 N Right
c)
3 N Left
d)
17 N Left
73.
Calculate the net force of the object in the image shown.
a)
20N
b)
35N
c)
5N
d)
25N
74.
Which direction will the object move?
a)
Up
b)
Down
c)
Right
d)
Left
75.
Is this a balanced or unbalanced force?
a)
Balanced
b)
Unbalanced
c)
Neither
d)
Both
76.
Is this a balanced or unbalanced force?
a)
Balanced
b)
Unbalanced
c)
Neither
d)
Both
77.
What is the net force?
a)
11 N left
b)
11 N right
c)
3 N left
d)
3 N right
78.
To measure the temperature difference between two cups of water, you would use a _____.
a)
measuring cup
b)
ruler
c)
thermometer
d)
balance scale
79.
When holding a cup of ice water, your warm hand becomes cold. How does the heat transfer?
a)
From the cold cup to your hand
b)
From the cold cup to the warm air
c)
From the ice to your hand
d)
From your warm hand to the cold cup.
80.
Heat can be transferred from one material to another?
a)
False
b)
True
81.
Heat will always flow from
a)
from warmer object to a cooler object
b)
inside and object to outside an object
c)
from a cooler object to a warmer object
d)
up to down
82.
Heat transfers from an area of ____temperature to an area of ___ temperature.
a)
high to low
b)
low to high
c)
high to high
d)
It can travel high to low and low to high. 
83.

Which type of heat transfer is shown?

a)

convection

b)

conduction

c)

radiation

d)

stir frying

84.

Which type of heat transfer is shown?

a)

convection

b)

conduction

c)

radiation

d)

ironing

85.

What type of heat transfer is shown here?

a)

convection

b)

conduction

c)

radiation

d)

sun shining

86.

What type of heat transfer is shown?

a)

convection

b)

conduction

c)

radiation

d)

bonfire

87.

Which type of heat transfer is shown?

a)

convection

b)

conduction

c)

radiation

d)

hot air balloon

88.

What type of heat transfer is shown here?

a)

convection

b)

conduction

c)

radiation

d)

boiling water

89.

If a door was left open between the bedroom (74 degrees) and the living room (68 degrees), what would likely happen to the temperatures after several hours?

a)

nothing, they would not change

b)

both rooms would become hotter 

c)

both room would become colder

d)

the bedroom temp. would lower and the living room temp. would rise

90.

After holding an ice pack against his skin for 20 minutes, the man notices the ice pack is melting. Why is this happening?

a)

radiation - the ice pack is now all melted

b)

conduction - body heat transferred to the cold ice pack

c)

convection - the water in the ice pack flowed in a circle pattern

d)

conduction - heat came from the bigger object to the smaller

91.

If this drink is sitting outside on a hot, sunny day, name two reason why the drink won't stay cold.

a)

radiation - from the sun is heating the glass

b)

conduction - the table beneath the glass is heating

c)

convection - the air is moving in a circle pattern around

d)

conduction - the straw is heating up

92.
Heat is the movement of ______.
a)
radiation
b)
thermal energy
c)
cold
d)
fire
93.
Heat from the sun travels to Earth by _____.
a)
conduction
b)
convection
c)
insulation
d)
radiation
94.
Energy of motion is which type of energy?
a)
Potential
b)
Kinetic
c)
Sound
d)
Gravitational
95.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Chemical
d)
Sound
96.
What kind of energy is represented in this picture?
a)
Thermal
b)
Potential
c)
Nuclear
d)
Mechanical
97.
What kind of energy does this device use?
a)
Chemical
b)
Electrical
c)
Thermal
d)
Chemical
98.
On a roller coaster, where is maximum kinetic energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
99.
According to which law of energy, energy can't be created or destroyed?
a)
First law of motion
b)
The law of tacos
c)
Laws of Energy
d)
law of conservation of energy