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WorksheetsPhysics Final Review
Total questions: 48
Worksheet time: 40mins
How much force is needed to accelerate a 2 kg physics book to an acceleration of 6 m/s/s?
36 N
3 N
12 N
0.33 N
Force is measured in
Newtons (N)
m/s
m/s/s
kgm/s
Why would one ball accelerate more than the other when pushed with the same amount of force?
different weights
different masses
different forces
different sizes
According to Newton's second Law, which would take more force to slow down?
The big one
The small one
Both would take the same amount of force.
The units for gravity are
Newtons
kilograms
pounds
m/s/s
The units for the force of gravity are
Newtons
Kilograms
pounds
m/s/s
The 2 things that the force of gravity depend upon are
masses of objects
distance between objects
How close they are to the sun
force of objects due to gravity
This stays the same no matter where you are, it does not depend on location.
mass
weight
This depends upon which planet you are on, where you are?
mass
weight
At which point on the roller coaster is the gravitational potential energy at its maximum?
A
B
C
D
At what point on the roller coaster is the Kinetic energy at its maximum?
A
B
C
D
Energy is measured in
Newtons
Joules
Kilograms
A 2 kg ball is resting 3 meters above the ground. What type of energy does it have?
PE
ME
KE
elastic
A 2 kg ball is resting 3 meters above the ground. How much energy does it have?
5 J
6 J
50 J
60 J
The law of conservation of momentum states that,
p before is less than p after
p before is more than p after
p before equals p after
A 0.25 kg cart moving at 0.4 m/s has how much momentum?
0.1 kgm/s
10 kgm/s
1 kgm/s
100 kgm/s
when the speed of an object is doubled, its momentum
remains unchanged
doubles
quadruples
decreases
The difference between a car hitting a wall vs. a car hitting a haystack is
the impulse on the har hitting the wall is greater
the force on the car hitting the haystack is greater
the change in momentum of the car hitting the wall is greater
the collision time of the car hitting the hay stack is greater.
In any collision the ________ is ALWAYS constant.
total momentum
total velocity
total speed
total energy
What property of this wave is represented by the letter "A"?
amplitude
trought
crest
wavelength
What property of this wave is represented by the letter "B"?
amplitude
trought
crest
wavelength
What type of wave is this?
transverse
longitudinal
standing
EM wave
Which part of a wave tells how much energy is carried by the wave?
wavelength
amplitude
both
neither
Which wave has the most energy?
blue
solid red
dashed red
all the same
The lowest point on a wave is called?
crest
trough
amplitude
wavelength
What do waves carry from place to place?
energy but not matter
matter but not energy
energy and particles
nothing, not energy or matter
In each of the following cases, determine where the car has no acceleration?
A car speeds up after a stoplight turns green.
A car slows down as it approaches a red light
A car with the cruise control set at 80 km/h going down a straight highway
A car turning a curve at a constant speed
Which particle is a wave of light?
proton
neutron
electron
photon
Check all the CORRECT statements about light:
Light is considered a mechanical wave.
Light is considered an electromagnetic wave.
Light behaves like a wave only.
Light behaves like a wave and a particle of energy.
Metals can eject or release electrons when they are hit by a beam of energy (Light of certain frequency). This effect is called:
Photoelectric effect
Geomechanic effect
Electromagnetic effect
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
All electromagnetic waves are...
transverse waves and have the same frequency
transverse waves and have the same speed
mechanical waves and have the same wavelength
longitudinal waves and have the same energy
This is a signal that fluctuates exactly like the original signal.
Analog
Digital
High Definition
Binary
This is a signal where the data is represented by binary digits.
Digital
Analog
NTSC
CRT
A big disadvantage of digital technology is the recording does degrade over time.
True
False
The picture shows an example of what kind of signal?
Analog
Digital
Which of the following is an advantage of analog signals
Less prone to interference
Requires less power
Travels Farther
Can carry more detailed information
