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WorksheetsFall 2023 Final Review
Total questions: 55
Worksheet time: 28mins
Which of these affects the pitch of sound?
Resonance
Loudness of the sound
Frequency of the wave
Because its molecules are far apart, sound waves will travel slowly through
iron
cold air
water
When an object moving forward slows down, its acceleration is
centripetal
positive
negative
Appliances connected so that they form a single pathway for charges to flow are connected in a(n)
parallel circuit
open circuit
series circuit
A 6.0 V battery is connected to a 13.0 Ω resistor. What is the current in the resistor? Remember Ohm's law is V=IR
78 A
2.2 A
0.46 A
A bus hits a bug and the bug splatters on the windshield and they experience the same force. Which of the following best describes this force pair interaction?
Newton's First Law
Newton's Second Law
Newton's Third Law
Current is the rate at which charges move through a(n):
conductor
joules
insulator
A ramp is a ______ that decreases the force required to move an object while increasing the distance the object travels.
force
newton
machine
An object experiencing balanced forces
is slowing down
is speeding up
has a net force of zero
On a distance vs. time graph of an object's motion, distance is usually
measured in ft/min
the dependent variable
plotted on the x-axis
Electric field lines
cross near the charged particles
indicate charge
never cross
Using lubricants on engine parts is an example of reducing
friction
force
motion
Which of the following requires friction?
writing a letter
driving a car
climbing a mountain
all of these choices
The energy transferred between objects with different temperatures is
absolute zero
heat
potential
The law that states that for every action there is an equal and opposite reaction is
the law of conservation of momentum
Newton's 3rd law of motion
Newton's 2nd law of motion
Generators convert
electrical energy to mechanical energy
mechanical energy to electrical energy
chemical energy to electrical energy
The friction between objects that are stationary is
fundamental friction
kinetic friction
static friction
Positive charges ______ one another.
cancel
repel
join
attract
Find the mechanical advantage of a ramp that is 6.0m long and 2m tall
12
0.3333
3
What is the mechanical advantage of a single moveable pulley?
2
3
1.5
2 inclined planes back to back are known as
a screw
a wedge
a wheel & axle
The force of gravity, the electromagnetic force, the strong nuclear force, and the weak nuclear force are considered
centripetal forces
fundamental forces
resultant forces
How loud a sound is depends on
the medium
the pitch of the sound
the amplitude of the waves
The gravitational force between two objects depends on the masses of the objects and
distance between the objects
sizes of the objects
accelerations of the objects
__________ is defined as the measure of energy transfer that occurs when an object is moved over a distance by an external force.
Work
Mechanical Advantage
Power
Which straight-line acceleration indicates an increase in speed?
-15 s2m
0 s2m
4 s2m
All of these answer choices
The law of reflection says that the angle of incidence is ______ the angle of reflection.
greater than
less than
equal to
none of these choices
The Celsius temperature scale is defined by which of the following temperatures?
Liquid water turns to gas a 100 degrees and to a solid at 0 degrees
Water evaporates at 212 degrees and freezes at 0 degrees
Water boils at 100 degrees and freezes at 32 degrees
A measure of inertia is an object's
mass
weight
velocity
The differences in color of visible light, such as those in a rainbow, are caused by differences in
speed
medium
frequency
The combination of all of the forces acting on an object is called the
super force
total force
net force
Which item below contains insulation material?
stainless steel fork
foam cup
Aluminum pie pan
As a dropped penny falls toward the ground ________ energy is converted to ________ energy.
thermal, potential
kinetic, heat
potential, kinetic
Sonar and ultrasound technology depend on the ability of waves to
reflect sound
dissipate sound
amplify sound
Lifting a car using a car jack is easier because it requires
less force
less time
less work
None of these options
What force causes a skater sliding on the ice to gradually slow down?
a balanced force
inertia
friction
There is an attractive force between two charged objects when
their charges are of like sign
they are the same number of electrons
their charges are of unlike sign
A car is parked on a hill. In order to keep the car from rolling downhill, how great must the static friction acting on the car be?
greater than the force pulling the car uphill
smaller than the force pulling the car uphill
equal to the force pulling the car downhill
Which of the following is an example of a compound machine?
scissors
wheel and axle
ax blade
Which type of electromagnetic waves has the highest energy?
gamma rays
ultraviolet light
infrared light
Which of the following is an example of a wheel and axle?
a nutcracker
a pulley
a screwdriver
As the frequency of light waves increases
the wavelength increases
the energy increases
the energy decreases
The _______ of an object consists of its speed and direction.
displacement
velocity
average speed
There is an attractive force between two charged objects when
their charges are of like sign
they are the same number of electrons
their charges are of unlike sign
Most waves are caused by
velocity
amplitude
a vibration
earthquakes
A type of energy transfer that can occur in empty space is
convection
conduction
radiation
contraction
A machine is a device that
requires less work to do a given task
decreases the amount of work done by a given force
increases energy
can multiply or change the direction of an input force
__________ describes how fast something is going and ________ describes how fast something is going in a particular direction.
speed, velocity
speed, acceleration
rate, speed
A boy pushes on a parked car with a force of 200N. The car does not move. How much work does the boy do?
200 N
200 J
Zero
Can't be determined
Which of the following is not in the inclined plane family?
a wedge
a screw
a ramp
a wheel and axle
Which of these pulley systems has a mechanical advantage of 4?
A
B
C
D
E
Using the table shown, determine which substance would be the best conductor of thermal energy?
lead
liquid water
copper
The average speed of a runner who runs 500m in 1.6 minutes is
(LOOK AT THE UNITS!!!)
96 m/s
312 m/s
5.2 m/s
Which of the following statements is true?
the amount of heat in a closed system changes constantly
Energy as heat is transferred from a higher temperature to a lower temperature
Energy as heat is transferred from a lower temperature to a higher temperature
The schematic diagram shows what type of circuit?
parallel
series
extended
neutral
