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WorksheetsPhysics Final Review
Total questions: 110
Worksheet time: 2hrs 15mins
Name
Class
Date
1.
A place or object used for comparison to determine if another object is in motion is called a
a)
comparison point
b)
reference point
c)
point of view
d)
motion detector
2.
Jeff is in a stationary (still; not moving) school bus. Which is the best reference point for him to use to determine when the bus starts to move?
a)
the front entrance of the school
b)
the car next to him
c)
the bus next to him
d)
a student walking on the sidewalk
3.
Velocity is both ____ and _____.
a)
speed , direction
b)
direction, mass
c)
volume, density
d)
direction, magnitude
4.
Total distance divided by total time is
a)
average speed
b)
constant speed
c)
instantaneous speed
d)
acceleration
5.
Acceleration: is the rate of change in ___________.
a)
speed
b)
distance
c)
velocity
d)
displacement
6.
Acceleration only takes place when things speed up.
a)
True
b)
False
7.
Changes in our speed, direction or both are called _________.
a)
gravity
b)
changes
c)
acceleration
d)
displacement
8.
When are you undergoing an acceleration in a car?
a)
speed up
b)
slow down
c)
make turns
d)
All of the above
9.
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
10.
What two measurements are necessary for calculating speed?
a)
Mass and time
b)
Temperature and mass
c)
Mass and distance
d)
Distance and time
11.
Which is an example of VELOCITY?
a)
A dog running at 3 m/s
b)
A deer sprinting at 4 m/s
c)
A migrating bird headed south for the winter at 3 m/s
d)
A person not moving at all
12.
If you are test-driving a Bugatti Veyron and you go from 0 km/s to 124 km/s in 3.7 seconds, what was your acceleration?
a)
33.5 m/s2
b)
0.03 m/s2
c)
-33.5 m/s2
d)
-0.03 m/s2
13.
A plane lands on the runway and slows from 758 km/hr to 30 km/hr in 0.013 hours. What is the plane's acceleration?
a)
56,000 m/s2
b)
17857 m/s2
c)
-17857 m/s2
d)
-56,000 m/s2
14.
A ____________ is a push or a pull on an object.
a)
friction
b)
force
c)
magnet
d)
gravity
15.
Forces that have a net force of zero
a)
Balanced force
b)
Unbalanced force
16.
A wheeled cart is moving to the right at a constant speed. Two forces of equal magnitude are acting upon the cart. Which of the following best describes the forces and motion of the cart?
a)
Balanced Forces, Constant Speed
b)
Balanced Forces, Acceleration
c)
Unbalanced Forces, Constant Speed
d)
Unbalanced Forces, Acceleration
17.
How will this object move?
a)
It won't move.
b)
It will move to the right.
c)
It will move to the left.
d)
It will move in both directions.
18.
How will this object move?
a)
It won't move.
b)
It will move to the right.
c)
It will move to the left.
d)
It will move up.
19.
What is the net force?
a)
30 N left
b)
25 N right
c)
5 N left
d)
55 N right
20.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
21.
What will cause an object to move?
a)
Unbalanced forces
b)
Balanced forces
22.
a)
21 N right
b)
4 N down
c)
21 N right, 4 N down
d)
13 N right, 4 N down
23.
What is the magnitude (size) and direction of the net force?
a)
21 N to the Left
b)
3 N to the Left
c)
21 N to the Right
d)
3 N to the Right
24.
A box is being pushed with 20 N of force from the left. Another force is being applied from the right with 10 N of force. How many Newtons of force must be added for the forces acting on the box to be balanced?
a)
10 N left
b)
10 N right
c)
30 N right
d)
30 N left
25.
Wheels on a skateboard most likely experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
26.
Sally experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
27.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
28.
Which type of friction occurs when an object moves through a liquid or gas?
a)
sliding
b)
fluid
c)
static
d)
rolling
29.
How can friction be reduced?
a)
reduce the force acting between the 2 surfaces
b)
reduce the roughness of the 2 surfaces coming in contact
c)
use wax, grease or oil
d)
all of the above are ways of reducing friction
30.
The force of gravity acting on an object is the object's ______.
a)
Mass
b)
Matter
c)
Weight
d)
Terminal velocity
31.
In a class experiment, you are trying to determine how long it takes different objects to hit the floor when dropped from the same height. One object weighed 4 N and one weighed 8 N. It took them the same amount of time to hit the floor. After determining air resistance is very low due to the object's shape, you predict that a 12 N object with a smaller diameter will take
a)
a. more time to hit the floor.
b)
less time to hit the floor.
c)
about the same amount of time to hit the floor.
d)
an unknown amount of time before hitting the floor.
32.
Two factors effecting the magnitude of the force of gravity between 2 objects are...
a)
mass and distance
b)
mass and force
c)
distance and weight
d)
weight and mass
33.
As mass increases, what happens to gravitational force?
a)
increases
b)
decreases
c)
stays the same
d)
i don't know
34.
Which model has greater gravitational attraction (if any)
a)
Model A
b)
Model B
c)
Both Model A and Model B (same gravity)
35.
An object is falling at a constant speed (terminal velocity). Describe the forces.
a)
Balanced
b)
Unbalanced
36.
The speed an object reaches when the force of gravity is balanced by the force of air resistance is called _____
a)
acceleration
b)
terminal velocity
c)
free fall
d)
resultant velocity
37.
If the mass of an object is 1000kg on Earth, what is it's mass on the moon?
a)
10kg
b)
100kg
c)
1000kg
d)
10,000kg
38.
What is the mass and weight of a 10kg object?
a)
mass: 10kg, weight: 98.1N
b)
mass: 98.1kg, weight: 98.1N
c)
mass: 100kg, weight: 10kg
d)
mass: 10kg, weight: 10kg
39.
A free falling object falls for 2.4 s. What is its final speed? (ignore air resistance)
a)
23.52 m/s
b)
0.24 m/s
c)
It cannot be calculated because there is no distance.
d)
9.8 m/s
40.
The force of gravity acting on an object is 28 N. What will the force of air resistance be when the object reaches its terminal velocity?
a)
28 N
b)
2.85 N
c)
274.4 N
d)
280 N
41.
If a force of 50 Newton's was applied to an object with a mass of 500 grams, what will the object's acceleration be?
a)
10 m/s^2
b)
.1 m/s^2
c)
100 m/s^2
d)
1 m/s^2
42.
If an object was accelerating at 10 m/s^2, and a force of 10 newtons was required to accelerate it, what was the object's mass?
a)
1 kilogram
b)
10 kilograms
c)
2 kilograms
d)
5 kilograms
43.
the tendency of an object to resist a change in its motion
a)
acceleration
b)
inertia
c)
mass
d)
frame of reference
44.
"For every action, there is an equal and opposite reaction."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
45.
Force = Mass x Acceleration
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
46.
"An object in motion (or at rest) will to stay in motion (or at rest) until an outside force acts upon it."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
47.
A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
48.
Pushing a child on a swing is easier than pushing an adult on the same swing, because the adult has more mass and requires more force to accelerate.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
49.
When you step on a Lego. You push on the Lego and the Lego pushes back on you.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
50.
This person bought coffee and put it on the seat next to them. If they stopped quickly and the coffee spilled which law would that represent?
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
51.
Which of the following is a contact force?
a)
electric force
b)
friction
c)
magnetism
d)
gravity
52.
Does the image show two like poles or two opposite poles together?
a)
Like poles (North and North or South and South)
b)
Opposite Poles (North and South)
53.
What happens if you cut a bar magnet in half?
a)
You get two North pole magnets
b)
You get two South pole magnets
c)
You get a North pole magnet and a South pole magnet
d)
You get two smaller magnets, each with a North and South pole
54.
A magnet field is strongest:
a)
in between the poles
b)
at the poles
55.
You know this substance is magnetized because
a)
all the domains have right angles
b)
the arrows are drawn in red
c)
the domains are aligned
d)
the domains are random
56.
Which way will the magnets move after they are released?
a)
Towards each other
b)
Away from each other
c)
Not enough information
57.
The needle on a compass is attracted to (points to) what?
a)
Treasure
b)
The Atlantic Ocean
c)
The East Coast
d)
The North Pole of the planet Earth
58.
Static charges build up when
a)
protons move within an object
b)
electrons move within an object
c)
neutrons move within an object
d)
the nucleus moves within an object
59.
Which diagram represents the electric field between two oppositely charged conducting spheres?
a)
b)
c)
d)
60.
If a substance has a higher number of electrons than protons on its surface, what type of charge does it have?
a)
A positive charge.
b)
A negative charge.
c)
A neutral charge
d)
No charge at all
61.
The Electric Force is strongest when charges are...
a)
close together
b)
far apart
c)
the electric force is constant everywhere
62.
Magnetic fields go out from the ______ pole and into the ________ pole
a)
north; south
b)
south; north
c)
south; north
63.
The closer together the gravitational field lines.....
a)
the weaker the gravitational field strength
b)
the stronger the gravitational field strength
c)
the more repulsive the gravitational field strength
64.
What is the image representing?
a)
Electromagnet
b)
Solenoid
65.
What happens when you decrease the number of coils in an electromagnet?
a)
Increase the Magnetic Force
b)
Decrease the Magnetic Force
c)
Adjusting the Coils will do nothing.
66.
What did Hans Christian Oersted work with?
a)
Just Electricity
b)
Just Magnetism
c)
Both Electricity and Magnetism
d)
Gravity
67.
Look at the picture
What makes the light bulb light up?
What makes the light bulb light up?
a)
The movement of the magnets.
b)
A battery.
c)
The movement of the bobin between the magnets.
68.
Objects with like charges repel and unlike charges attract. The girl's hair and the comb have-
a)
unlike charges
b)
like charges
c)
neutral charges
d)
no charges
69.
If a substance has a higher number of electrons than protons on its surface, what type of charge does it have?
a)
A positive charge.
b)
A negative charge.
c)
A neutral charge
d)
No charge at all
70.
What is energy?
a)
rate of work
b)
Motion of an object
c)
ability to do work
d)
force over time
71.
Which is doing work?
a)
pushing a wall
b)
holding a box
c)
picking up a pencil
d)
sitting in a chair
72.
A 5000 N block is lifted 10 m. How much work was done?
a)
50,000 J
b)
5000 J
c)
500 J
d)
50 J
73.
A person does 3,600 J of work in 10 seconds. How much power was used?
a)
360 W
b)
60 W
c)
3600 W
d)
600 W
74.
Challenge: What is the power required to lift a 10 kg box onto a 1.5 m shelf in 0.75 s? Hint! Need to use 2 formulas.
a)
11.25 W
b)
98 W
c)
147 W
d)
196 W
75.
What is kinetic energy?
a)
energy of work
b)
energy of motion
c)
energy of gravity
d)
energy of power
76.
What are the two factors that affect kinetic energy?
a)
time and energy
b)
power and mass
c)
mass and velocity
d)
time and work
77.
What is the unit of measurement for kinetic energy
a)
Newton
b)
Joule
c)
Watt
d)
Kilogram
78.
What 2 factors affect gravitational potential energy?
a)
gravity and time
b)
distance and force
c)
mass and height
d)
power and gravity
79.
At which point is potential energy greatest
a)
W
b)
X
c)
Y
d)
Z
80.
When a pendulum swings, at which point is potential energy at its greatest
a)
1
b)
2
c)
3
d)
4
81.
Which of the following is NOT true about Potential Energy?
a)
An object's position affects its potential energy
b)
Potential energy is Stored energy
c)
Potential energy only occurs when an object is in motion
d)
All objects have potential energy
82.
Does a rock on the top of a cliff have potential energy or kinetic energy?
a)
Potential
b)
Kinetic
83.
What kind of energy is in a moving skateboard?
a)
Potential
b)
Kinetic
84.
Which energy conversion is taking place when you put gasoline in a car?
a)
thermal -> electrical
b)
mechanical -> electrical
c)
chemical -> mechanical
d)
mechanical -> electromagnetic
85.
Electrical Energy is transferred to _____ Energy.
a)
Thermal
b)
Solar
c)
Electrical
d)
None
86.
Which items would have this energy transformation: chemical energy -> mechanical energy?
a)
person running
b)
candle burning
c)
windmill turning
d)
playing a violin
87.
A hairdryer converts --
a)
electrical energy into chemical
b)
electrical energy into thermal
c)
chemical energy into mechanical
d)
thermal energy into mechanical
88.
What machine changes electrical energy into electromagnetic (light) and sound energy?
a)
battery
b)
lightbulb
c)
alarm clock
d)
apple
89.
Which of the following converts chemical energy to thermal energy?
a)
Battery
b)
Person riding a bike
c)
Automobile
d)
Camp Fire
90.
A student listens to music with a digital music player, similar to the one shown below. Which best describes the energy transformations that take place in the music player?
a)
Mechanical to chemical to electrical
b)
Chemical to sound to electrical
c)
Chemical to electrical to sound
d)
Electrical to heat to sound
91.
Which of the following chemical energy to sound and electromagnetic energy?
a)
solar calculator
b)
windmill
c)
glow stick
d)
firecracker
92.
Which of the following chemical energy to sound and electromagnetic energy?
a)
solar calculator
b)
windmill
c)
glow stick
d)
firecracker
93.
The energy transformation that takes place when a flashlight is turned on is...
a)
Chemical - electrical - electromagnetic
b)
Chemical - electromagnetic - electrical
c)
Electrical - thermal - electromagnetic
d)
Nuclear - electromagnetic - electrical
94.
The picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT —
a)
solar
b)
electromagnetic
c)
thermal
d)
mechanical
95.
Which of the following is an example of a change of kinetic energy into gravitational potential energy?
a)
a person parachuting out of a plane
b)
a car racing around an oval track
c)
a person skiing down a hill
d)
a person walking up a hill
96.
Which of the following energy transfers occurs when food is digested?
a)
chemical to mechanical
b)
radiant to nuclear
c)
mechanical to potential
d)
thermal to chemical
97.
Which is an example of electromagnetic energy to thermal energy transformation?
a)
a greenhouse
b)
an electric stovetop
c)
an electric stove
d)
a car's brakes
98.
What is the KE of a football which has a mass of 0.8 kg and is kicked at a velocity of 10m/s.
a)
80 J
b)
3.2 J
c)
160 J
d)
40 J
99.
What is the kinetic energy of a 4kg shotput thrown with a velocity of 13m/s
a)
676 J
b)
3.25 J
c)
17J
d)
338 J
100.
If a basketball weighs .62 kg and is dropped from a height of 4 meters, how much Potential Energy does the ball have?
*Remember gravity is 9.81 m/s
*Remember gravity is 9.81 m/s
a)
24.33 Joules
b)
243.3 Joules
c)
24 Joules
d)
2.43 Joules
101.
How much potential energy does a 5kg object that is hoisted 60 meters off of the ground have?
a)
300J
b)
2940J
c)
3000J
d)
12J
102.
At which point(s) on the roller coaster is the kinetic energy at its maximum?
a)
A
b)
B
c)
C
d)
D
103.
As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy?
a)
The PE and KE increase and decrease together
b)
The PE decreases while the KE increases
c)
Impossible to know without knowing the mass
104.
The momentum of an object depends upon the object's ___________&_____________.
a)
size and shape
b)
mass and speed
c)
mass and veloctiy
d)
mass and energy
105.
What is the momentum of a 2000 kg car that is sitting still at a traffic light for 5 seconds?
a)
5 kg*m/s
b)
0 kg*m/s
c)
400 kg*m/s
d)
10000 kg*m/s
106.
When two objects collide, the Momentumbefore is ____________ the Momentumafter.
a)
more than
b)
less than
c)
equal to
d)
unrelated to
107.
A 0.250 kg cart moving at 0.400 m/s has how much momentum?
a)
0.1 kg-m/s
b)
1 kg-m/s
c)
10 kg-m/s
d)
100 kg-m/s
108.
What will the speed of the blue car be AFTER the collision, if the cars DO NOT connect?
a)
7 m/s
b)
3.5 m/s
c)
0 m/s
d)
10 m/s
109.
What will the speed of the GREEN car be AFTER the collision, if the cars DO NOT connect?
a)
11 m/s
b)
6 m/s
c)
5 m/s
d)
0 m/s
110.
What will the speed of the BLUE car be AFTER the collision, if the cars connect?
a)
11 m/s
b)
6 m/s
c)
5.5 m/s
d)
0 m/s
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