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WorksheetsPhysics Spring Benchmark Practice
Total questions: 140
Worksheet time: 4hrs 47mins
What is the standard metric unit for length?
meter
yard
second
inch
What is the standard metric unit of time?
second
hour
meters/second
meters/second2
What is the standard metric unit for mass?
kilogram
gram
pound
momentum
What is the standard metric unit for volume?
liter
gallon
quart
cup
A vector has...
magnitude only
magnitude and direction
direction only
neither direction or magnitude
A scalar has...
magnitude only
direction only
magnitude and direction
nothing to do with physics
Equilibrium is when...
there are no forces acting on an object
there are balanced forces acting on an object
an object is at rest
An object can be in equilibrium if it is moving at a constant speed
True
False
A force is...
a push or pull
measured in m/s
always positive
a measure of mass
Force is measured in
m/s
m/s2
N
kg m/s
Calculate force by...
multiplying mass & acceleration
multiplying mass & velocity
dividing mass & acceleration
dividing mass & velocity
Which is Newton's 1st Law?
An object in motion always stays in motion
An object in motion stays in motion and an object at rest stays at rest unless acted upon by an outside force
An object at rest stays at rest unless acted upon by an outside force
An object in motion stays at rest and an object at rest stays in motion unless acted upon by a force
What is Newton's 2nd Law?
F=m/a
m=Fa
F=ma
Inertia is...
equal to momentum
my grandmother's cousin
equal to weight
the tendency for an object to keep doing what it's doing
The force between any two surfaces in contact
support force
friction
gravity
air resistance
Friction...
sometimes speeds things up
always slows things down
is always negative
sometimes creates energy
If you go to the moon... this will change
energy
weight
mass
time
Another name for the force of gravity
weight
mass
energy
momentum
What approximate value does the acceleration due to gravity have here on earth?
10m/s2
5m/s2
it can not be determined
100m/s2
How do you calculate average speed?
divide distance by time
divide time by distance
multiply distance and time
divide velocity by time
The speedometer on your car shows
acceleration
average speed
instantaneous speed
momentum
What are the standard units of velocity?
m/s
m/s2
kg m/s
N
If an object is only acted upon by the force due to gravity, it is in
free fall
equilibrium
mechanical equilibrium
constant motion
Newton's Third Law states...
for every action, there is a reaction
for every action, there is an equal reaction
for every action, there is an equal and opposite reaction
for every action, there is an unequal reaction
Calculate momentum by
multiplying mass and velocity
dividing mass by velocity
dividing velocity by mass
multiplying mass and volume
The units of momentum are
kg m/s
kg m/s2
m/s
N
A pizza box slides off the front seat and onto the floor when the driver makes a quick stop because the box wants to remain in continuous motion even when the car stops.
Newton's 1st Law
Newton's 2nd Law
Newton's 3rd Law
None of them
Calculate the impulse on the ball.
8
2
6
Select the correct order of waves on the EM Spectrum from low to high energy
Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma
Gamma, X-ray, Ultra, Vis, Infra, Micro, Radio
Vis, Micro, Infra, Ultra, X-ray, Gamma, Radio
Micro, Radio, Vis, Infra, Ultra, X-ray, Gamma
Which has the LONGEST wavelength and, therefore, the LOWEST frequency/energy
Gamma Rays
Ultraviolet
Visible Light
Infrared rays
How are Electromagnetic waves different from Mechanical waves?
EM waves have very short wavelengths
EM waves transmit energy instead of matter
EM waves can travel through the vacuum of space (without particles)
EM waves can change direction by reflection
Wavelength and Frequency are related in that...
they are always the same
when one increases, the other decreases (inversely proportional)
there is no correlation
they both vary in an irregular pattern
Light acts like
a wave.
a particle.
Both a wave and a particle
neither a wave nor a particle.
The full range of frequencies of electromagnetic radiation is called
visible light.
radio waves.
the electromagnetic spectrum.
invisible radiation.
Cellular telephones utilize
radar waves.
very high frequency waves.
very low frequency waves.
microwaves.
High frequency in EM waves equals
high energy and short wavelength
high energy and long wavelength
low energy and short wavelength
low energy and long wavelength
Helpful in military night vision goggles
radio wave
microwave
infrared
light
Rank these colors from least to greatest energy
red, green, violet
violet, green, red
green, violet, red
red, violet, green
Rank these colors from least to greatest frequency
red, green, violet
violet, green, red
green, violet, red
red, violet, green
Rank these colors from shortest to longest wavelength
red, green, violet
violet, green, red
green, violet, red
red, violet, green
This star contains sodium. The lines don't line up because...
The star is red-shifted and moving away.
The star is red-shifted and moving towards.
The star is blue-shifted and moving away.
The star is blue-shifted and moving towards.
Why does this blueberry look blue?
It is reflecting light in the blue frequency
It is absorbing light in the blue frequency
It is producing light in the blue frequency
It is reflecting red and green
A cup is black in red light, green in green light, and blue in blue light. What color is it in white light?
White
Black
Cyan
Yellow
The same fruit is shown in four different types of lighting. Which of the three primary colors does the fruit reflect?
red, green, and blue
red and blue
only green
none
What is the frequency of a EM wave that is 3 meters long?
1 x 108 hz
3 x 108 hz
3.3 x 10−8 hz
3 hz
Which of the following are in correct order from greatest to least energy?
microwaves, infrared, ultraviolet, x-rays
microwaves, x-rays, infrared, ultraviolet
x-rays, ultraviolet, infrared, microwaves
infrared, ultraviolet, x-rays, microwaves
Which EM wave has the highest energy?
Radio waves
X-rays
Gamma waves
Ultraviolet waves
Which EM wave has the highest frequency?
Radio waves
X-rays
Gamma waves
Ultraviolet waves
A kilowatt (kW) is how many watts?
10
50
100
1000
A 200-W light bulb is connected across a 100-V dc power supply. What current will flow through this bulb?
0.90 A
0.36 A
0.60 A
2.0 A
If an 8.0-Ω resistor and a 12-Ω resistor and a 24-Ω resistor are connected in parallel, the equivalent resistance (total resistance) is ___ Ω
In a closed circuit, how does battery voltage affect current?
As voltage increases, current increases.
As voltage increases, current decreases.
Voltage has no affect on current.
If voltage exceeds current, a short circuit circuit will develop.
Which of the symbols represents current in an electrical circuit?
i
c
e
r
An electrical circuit is powered by a 12-volt battery and contains a light bulb. The current flowing in the circuit is 20 amps. What is the resistance of the light bulb? HINT: V = IR
0.6 Ohms
240 Ohms
1.67 Ohms
12 Ohms
An electrical circuit is powered by a battery and contains a light bulb producing 1.5 Ohms of resistance. The circuit is flowing at 4 amps of current. What is the voltage of the battery?
HINT: V = IR
6.0 volts
1.5 volts
9.0 volts
12.0 volts
The quantity electric potential is defined as the amount of:
electric potential energy
force acting upon a charge
potential energy per charge
force per charge
J.J. Thomson used a cathode ray to show atoms are charged particles. What charge would the ray from the cathode have if the ray moved to the positive field? Why?
negative, because opposites attract
positive, because likes attract
negative, because likes repel
positive, because likes repel
What method of static charging is shown in this picture
Contact
Friction
Grounding
Electron Shifting
Which ellipse has an eccentricity of 0.0.
Which ellipse has an eccentricity of 0.7.
How can the position of the sun in earth's orbit be described?
The sun is at the very center of a perfectly circular orbit
The sun is at one of the two focal points of a slightly eccentric ellipse
The sun is at one of the two focal points of a highly eccentric ellipse
An orbital period is the time (in Earth time) a planet _______________ .
to complete one orbit around the sun
revolves around the solar system
Experiences a season
Where will an object move at the greatest speed as it orbits the sun?
Perihelion
Aphelion
Between perihelion and aphelion
