WorksheetsFinal Exam Review
Total questions: 101
Worksheet time: 2hrs 31mins
Name
Class
Date
1.
Which of the following is an example of a Vector quantity?
a)
acceleration
b)
mass
c)
volume
d)
time
2.
A quantity that has both magnitude and direction is called a scalar quantity.
a)
True
b)
False
3.
A 150N weight hanging DOWN from a rope. Vector or scalar?
a)
Scalar
b)
Vector
4.
Wind blowing at 20 mph.Vector or scalar?
a)
Scalar
b)
Vector
5.
30 m/sec, East. Scalar or Vector
a)
Scalar
b)
Vector
c)
Neither
6.
What would the d-t graph look like for an object travelling at a constant velocity?
a)
Horizontal line
b)
Straight line
c)
Curved line
7.
what is the position at 10th second
a)
0 m
b)
10 m
c)
20 m
d)
30 m
8.
when did the object stayed still?
a)
first 10 seconds
b)
first 20 seconds
c)
20th ~30th seconds
d)
30th~40th seconds
9.
A distance vs. time graph shows an object's
a)
frame of reference
b)
speed
c)
acceleration
d)
favorite food
10.
The SI unit for length or distance is
a)
foot (ft)
b)
inch (in)
c)
mile (mi)
d)
meter (m)
11.
The SI unit for time is
a)
second (s)
b)
minute (min)
c)
hour (hr)
d)
year (yr)
12.
Therefore, the SI unit for speed is
a)
miles per hour (mi/hr)
b)
meters per second (m/s)
c)
inches per year (in/yr)
d)
feet per second (ft/s)
13.
Velocity is
a)
speed and acceleration
b)
constant speed
c)
a frame of reference
d)
speed in a given direction
14.
Speed =
a)
distance / time
b)
time / distance
c)
distance * time
15.
You walk 10 meters to math class in 20 seconds. Your average speed is
a)
2 m/s
b)
0.5 m/s
c)
200 m/s
d)
5 m/s
16.
On a distance-versus-time graph, a straight line ALWAYS indicates that an object’s speed is _____.
a)
constant
b)
zero
c)
increasing
d)
decreasing
17.
A horizontal line on a distance vs. time graph means the object's speed is
a)
increasing
b)
decreasing
c)
zero
18.
Acceleration is
a)
increasing speed
b)
decreasing speed
c)
changing direction
d)
all of the above
19.
A student jogging at 2 m/s picks up the pace until she is jogging at 4 m/s. This is an example of acceleration. True or False?
a)
True
b)
False
20.
Change in speed over a given period of time is
a)
velocity
b)
motion
c)
speed
d)
acceleration
21.
Does the speedometer of a car read average speed or instantaneous speed?
a)
average speed
b)
instantaneous speed
22.
What is the SI unit for acceleration?
a)
m
b)
s
c)
m/s
d)
m/s/s or m/s2
23.
A lizard accelerates from 2 m/s to 10 m/s in 4 seconds. What is the lizard’s average acceleration?
a)
2 m/s/s
b)
-2 m/s/s
c)
3 m/s/s
d)
-3 m/s/s
24.
Slope is equal to
a)
rise/run
b)
run/rise
c)
rise + run
d)
rise - run
25.
The rate at which velocity changes is called
a)
motion
b)
average speed
c)
instantaneous speed
d)
acceleration
26.
A moving skateboard
a)
Potential
b)
Kinetic
27.
A rock at the edge of a cliff.
a)
Potential
b)
Kinetic
28.
A basketball passing through the hoop.
a)
Potential
b)
Kinetic
29.
An acorn hanging from an oak tree.
a)
Potential
b)
Kinetic
30.
At which point is potential energy greatest
a)
W
b)
X
c)
Y
d)
Z
31.
While a boulder is on the top of a hill it has what type of energy?
a)
Mechanical
b)
Kinetic
c)
Potential
d)
Reactive
32.
At which point is kinetic energy greatest
a)
W
b)
X
c)
Y
d)
Z
33.
In free fall Captain America has 100% kinetic energy only.
a)
True
b)
False
34.
Spiderman (mass = 100 kg) is suspended 50 m above the Earth. He begins to fall. His Eg is:
a)
4.9 J
b)
19.6 J
c)
51 J
d)
49,000 J
35.
What is energy?
a)
rate of work
b)
Motion of an object
c)
ability to do work
d)
force over time
36.
What is kinetic energy?
a)
energy of work
b)
energy of motion
c)
energy of gravity
d)
energy of power
37.
What are the two factors that affect kinetic energy?
a)
time and energy
b)
power and mass
c)
mass and speed
d)
time and work
38.
What is the unit of measurement for kinetic energy
a)
Newton
b)
Joule
c)
Watt
d)
Kilogram
39.
What is potential energy?
a)
energy of motion
b)
energy due to potion or condition
c)
energy of power
d)
energy of work
40.
What 2 factors affect gravitational potential energy?
a)
gravity and time
b)
distance and force
c)
mass and height
d)
power and gravity
41.
Stored energy that hasn't been used yet.
a)
kinetic energy
b)
potential energy
c)
thermal energy
42.
Which of the following is the equation for Work?
a)
W = Fd
b)
W = F-d
c)
W = F+d
d)
W = F/d
43.
An object experiences 10 J of work. If a force of 2 N is applied to it, what is the distance the object has gone?
a)
5 m
b)
5 m/sec
c)
5 N
d)
5 J
44.
A Falling Object has what kind of energy?
a)
Kinetic Energy
b)
Potential Energy
c)
Kinetic Energy and Potential Energy
d)
Neither
45.
Which of the following is the correct equation for Kinetic Energy (KE)?
a)
1/2 mv²
b)
mv²
c)
1/2 mv
d)
mgh
46.
True or False: The Mass of an object does not change.
a)
True
b)
False
47.
True or False: Gravity acts in many different directions
a)
True
b)
False
48.
True or False: The Weight of an Object depends on gravity.
a)
True
b)
False
49.
A body at rest stays at rest unless acted upon by an external force---This is Newton’s ____ Law
a)
1st
b)
2nd
c)
3rd
d)
4th
50.
Work has what kind of units?
a)
N
b)
kg m/sec
c)
J
d)
N sec
51.
The equation for Potential Energy is __________
a)
PE = mgh
b)
PE = mg+h
c)
PE = mg-h
d)
PE= mg/h
52.
If a girl has a mass of 20 kg, and is at a height of 30 m. What is her potential energy?
a)
-490 J
b)
-5880 J
c)
-643 J
d)
-19 J
53.
What does "g" stand for?
a)
Gravity
b)
The Acceleration due to gravity
c)
How much force gravity has
54.
The Potential Energy of a 20-kg mass at a height of 2 meters
a)
392 J
b)
390 J
c)
400 J
d)
410 J
55.
Find the Kinetic Energy of a 20 kg mass moving at a speed of 2 m/sec
a)
40 J
b)
40 m/sec
c)
40 kg
d)
50 J
56.
What is potential energy measured in?
a)
N
b)
J
c)
kg m
d)
N sec
57.
What are the units of Force?
a)
kg m/sec
b)
kg m
c)
N
d)
N sec
58.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
59.
What is Newton's Third Law?
a)
Object in motion stays in motion and an object at rest stays at rest unless acted on by a outside force
b)
Force = mass x acceleration
c)
For every action there is an equal and opposite reaction
60.
Missy Diwater, the former platform diver for the Ringling Brother's Circus, had a kinetic energy of 5625 J just prior to hitting the bucket of water. If Missy's mass is 50 kg, then what is her velocity?
a)
15 m
b)
112.5 m/s
c)
15 m/s
d)
112.5 m
61.
Which of the following would produce the greatest increase in the KE of a moving object?
a)
doubling is mass
b)
halving its mass
c)
halving its velocity
d)
doubling its velocity
62.
Is it possible for energy to transform into a new kind of energy? (2.4B)
a)
yes
b)
no
63.
Force
a)
A push or pull that causes an object to move, stop, or change direction.
b)
A change in position or location
c)
Where an object is located in space.
d)
A line or course along which something is moving.
64.
Speed and acceleration are not the same things.
a)
True
b)
False
65.
What is SI units for force ?
a)
Grams g()
b)
Hectogram (Hg)
c)
Newtons (N)
d)
Meters (m)
66.
You and your friend, are playing tug of war. Your friend pulls with a force of 55 N, to the rights. You pull with a force of 65 N, to the left. What is the net force on the rope?
a)
10 n, to the left
b)
20 N
c)
10 N, to the left
d)
10 N, to the right
67.
You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?
a)
60 N right
b)
10 N left
c)
60 n right
d)
50 N left
68.
What famous scientist was the SI units of Force named after?
a)
Isaac Newton
b)
Galileo Galilei
c)
Albert Einstein
d)
Charles Darwin
69.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
70.
What is the net force?
a)
17 N Right
b)
3 N Right
c)
3 N Left
d)
17 N Left
71.
1/2 mv2
a)
KE
b)
PE
c)
Work
d)
Power
72.
MGH
a)
KE
b)
PE
c)
Work
d)
Power
73.
What is the unit used to measure Power?
a)
Joule
b)
Watt
c)
Newton
d)
Pascal
74.
A job is done slowly, and an identical job is done quickly. Both jobs require the same amount of ___, but different amounts of _____
a)
work, energy
b)
power, work
c)
work, power
d)
force, work
75.
Friction causes energy to be transformed from KE to what?
a)
PGE
b)
chemical
c)
thermal
d)
elastic
76.
It takes 20 N of force to move a box a distance of 10 m. How much work is done on the box in Joules?
a)
200 J
b)
20.0J
c)
100 J
d)
10 J
77.
Work done = Force x blank?
a)
a. distance
b)
b. acceleration
c)
c. velocity
d)
d. speed
78.
In which of the following situations do your arms do work on books?
a)
holding a heavy stack of books while standing
b)
carrying a heavy stack of books
c)
dropping a stack of books onto a table
d)
picking up a pile of books from the floor
79.
You apply a force of 18 N to a dresser and move it 3.0 m. How much work did you do on the dresser?
a)
54 J
b)
6.0 J
c)
21 J
d)
27 J
80.
How are Horsepower and watts similar?
a)
both units of work.
b)
they are both useless
c)
They are both the si units of work
d)
they are both units of power
81.
Work/Time = ________?
a)
Force
b)
Speed
c)
Velocity
d)
Power
82.
What is friction?
a)
The study of matter
b)
A force that opposes motion
c)
energy sources from fossils
d)
all of the above
83.
What are energy and work measured in?
a)
Joule
b)
Watt
c)
Birds
d)
Newton
84.
What is the transfer of energy that occurs when a force makes an object move?
a)
power
b)
work
c)
force
d)
efficiency
85.
Which example shows an unbalanced force?
a)
A pencil sitting on a desk
b)
a car parked in a parking lot
c)
a coat laying on the floor
d)
a child sliding down a slide
86.
Which of these is an example of a balanced force?
a)
A book sitting on a chair
b)
a ball rolling down the road
c)
a fish swimming in its bowl
d)
a plate sitting in the sink
87.
If a crane lifts a small car 15 meters using 25,000 joules of work in 5 seconds, how much power was generated by the crane?
a)
5, 000 Watts
b)
1,667 Watts
c)
75 Watts
d)
375,000 Watts
88.
If an MMA fighter uses 40 Newtons of force to punch a bag .5 meters in 2 seconds, how much power was created? Hint: W = Force * distance
a)
10 Watts
b)
1 Watts
c)
20 Watts
d)
40 Watts
89.
A train travels 142 miles in 2 hours. What is its speed?
a)
284 mph
b)
1420 mph
c)
71 mph
d)
213 mph
90.
A caterpillar travels 20 cm in 4 hours. What is its speed?
a)
800 mi/hr
b)
800 cm/hr
c)
5 mi/hr
d)
5 cm/hr
91.
The amount of matter in an object
a)
weight
b)
force
c)
gravity
d)
mass
92.
A force of attraction that objects exert on each other
a)
motion
b)
mass
c)
gravity
d)
magnetism
93.
If an object is stationary (not moving) the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
94.
What pulls a ball back to earth?
a)
Gas
b)
Gravity
c)
Friction
d)
Molecules
95.
What is the formula for force?
a)
F=M/A
b)
F=A/M
c)
F=M*A
d)
F=M*F
96.
If a 10 kilogram object accelerates suddenly at 15 m/s^2, how much force was applied to the object?
a)
150 Newtons
b)
15 Newtons
c)
150 kilograms
d)
100 kilograms
97.
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
98.
A 20 kg bike accelerates at 10 m/s2. what was the force
a)
25 Newtons
b)
20 Newtons
c)
200 Newtons
d)
10 Newtons
99.
F=MA
An object of mass 10 kg is accelerated upward at 2 m/s2. What force is required?
An object of mass 10 kg is accelerated upward at 2 m/s2. What force is required?
a)
20 N
b)
2 N
c)
5 N
d)
0 N
100.
given 10 m/s2, 5 kg, and 50N, what is the mass
a)
50 N
b)
5 kg
c)
2 kg
d)
5 N/kg
101.
If you do 40 joules of work lifting a 10N box, how high is the shelf you move it to.
a)
400m
b)
40m
c)
50m
d)
4m
100 %
