Study sets matching "energy and momentum"

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Study sets matching "energy and momentum"

61 terms
Momentum and Energy
momentum (description)
momentum (equation)
impulse (two definitions)
impulse (two equations combined
inertia in motion; resistance to change in motion
p = mv
change in momentum; force times time
change(mv) = F t
momentum (description)
inertia in motion; resistance to change in motion
momentum (equation)
p = mv
Momentum and Energy
momentum (description)
momentum (equation)
impulse (two definitions)
impulse (two equations combined
inertia in motion; resistance to change in motion
p = mv
change in momentum; force times time
change(mv) = F t
momentum (description)
inertia in motion; resistance to change in motion
momentum (equation)
p = mv
Momentum and Energy
Energy
Conservation of Energy
Kinetic Energy
Potential Energy
The ability to do work
Energy cannot be created or destroyed;only transformed or tra…
Energy in motion
Stored energy based on the object's position
Energy
The ability to do work
Conservation of Energy
Energy cannot be created or destroyed;only transformed or tra…
Momentum and Energy
the amount of energy transferred from…
the unit of energy
system in which the sum of all forces…
the energy stored in a spring
Work
Joule
Isolated or closed system
Elastic Potential Energy
the amount of energy transferred from…
Work
the unit of energy
Joule
12 terms
Momentum & Energy
Elastic Collision
Impulse
Impulse-momentum Relationship
Inelastic Collision
encounter between two bodies in which the total kinetic energ…
The Quantity "force" * Time interval ... Change in momentum
...
which part of the kinetic energy is changed to some other for…
Elastic Collision
encounter between two bodies in which the total kinetic energ…
Impulse
The Quantity "force" * Time interval ... Change in momentum
13 terms
Energy and Momentum
Inertia
Momentum
Terminal Velocity
Free Fall
The tendency of an object to maintain is state of rest or uni…
A quantity defined as the product of the mass and velocity of…
The constant velocity of a falling object when the force of a…
The motion of a falling object when the only force acting on…
Inertia
The tendency of an object to maintain is state of rest or uni…
Momentum
A quantity defined as the product of the mass and velocity of…
Momentum and Energy
Momentum
Impulse
Conservation of Momentum
Isolated System
The product of the mass and velocity of an object. A mass in…
A change in momentum.
In a closed and isolated system, the total momentum of the sy…
A system on which the net external force is zero.
Momentum
The product of the mass and velocity of an object. A mass in…
Impulse
A change in momentum.
11 terms
Energy and Momentum
Inertia
Momentum
Mechanical Energy
Potential Energy
The tendency of an object to maintain is state of rest or uni…
A quantity defined as the product of the mass and velocity of…
Kinetic or potential energy associated with the motion or pos…
Stored Energy
Inertia
The tendency of an object to maintain is state of rest or uni…
Momentum
A quantity defined as the product of the mass and velocity of…
Energy and Momentum
momentum
impulse
elastic collision
completely inelastic collision
inertia in motion
a force exerted over time that causes a change in momentum
collision that causes objects to bounce perfectly
collision that causes objects to stick together
momentum
inertia in motion
impulse
a force exerted over time that causes a change in momentum
12 terms
Momentum and Energy
work
power
potential energy
kinetic energy
A result of a force moving an object a certain distance.
How fast work is done
Energy that is stored in an object
Energy that an object has due to its motion
work
A result of a force moving an object a certain distance.
power
How fast work is done
Momentum and Energy
What is the equation for momentum?
When is momentum conserved?
Is kinetic energy conserved in an inel…
Is kinetic energy conserved in an elas…
momentum = mass x velocity
Allways
No
Yes
What is the equation for momentum?
momentum = mass x velocity
When is momentum conserved?
Allways
10 terms
Momentum and Energy
The total energy of the ______ is cons…
If you double the mass of a moving obj…
A change in momentum is also known as...
A change in energy is also known as...
universe, system
It doubles.
Impulse
Work
The total energy of the ______ is cons…
universe, system
If you double the mass of a moving obj…
It doubles.
Energy and Momentum
How do crumple zones increase the safe…
How do seat belt and air bags increase…
How do we calculate the kinetic energy…
How does a seat belt increase impact t…
They increase the impact time, reducing the force
Spread forces over a larger area on the body, increase impact…
E= 1/2 mv°2
It is slightly elastic
How do crumple zones increase the safe…
They increase the impact time, reducing the force
How do seat belt and air bags increase…
Spread forces over a larger area on the body, increase impact…
25 terms
Momentum and Energy
Momentum
Law of Conservation of Momentum
Mass
Velocity
The mass of an object times its velocity
A law that states that as long as two iteracting objects are…
The amount of matter in an object
Speed with direction
Momentum
The mass of an object times its velocity
Law of Conservation of Momentum
A law that states that as long as two iteracting objects are…
12 terms
Momentum and Energy
Elastic collision
Impulse
Impulse- momentum realationship
Inelastic collision
A collision in which the total momentum and the total kinetic…
Change in momentum
Impulse is a change in momentum
When momentum is not conserved
Elastic collision
A collision in which the total momentum and the total kinetic…
Impulse
Change in momentum
Momentum and energy
elastic collision
impulse
impulse-momentum relationship
inelastic collision
are collisions in which both momentum and kinetic energy are…
M1V1=M2V2
relationship between momentum and impulse
there is no loss of kinetic energy in the collision
elastic collision
are collisions in which both momentum and kinetic energy are…
impulse
M1V1=M2V2
Momentum and Energy
Elastic collision
impulse
impulse momentum relationship
inelastic collision
collision where things bouce of thing
Change of momentum
ft=∆mv
collision where things stick together
Elastic collision
collision where things bouce of thing
impulse
Change of momentum
Momentum and energy
conservation of momentum
system
closed system
environment
total momentum of an isolated system is a constant
area of space we have specified
a system with no mass entering or leaving
everything outside of our system
conservation of momentum
total momentum of an isolated system is a constant
system
area of space we have specified
12 terms
Momentum and Energy
elastic collision
impulse
impulse-momentum relationship
inelastic collision
collision where things bounce off eachother
change in momentum
Ft=(delta)mv
The two colliding items stick together
elastic collision
collision where things bounce off eachother
impulse
change in momentum
Energy and Momentum
Energy
Gravitational Potential Energy
Kinetic Energy
Law of Conservation of Energy
The ability to work.
Energy an object possesses because of its position in a gravi…
Energy in motion.
Energy can neither be created nor destroyed.
Energy
The ability to work.
Gravitational Potential Energy
Energy an object possesses because of its position in a gravi…
7 terms
Energy and Momentum
Work
Conservation of Energy
Power
Conservation of Momentum
W=Fd=mad=.5mVf^2 - .5mVi^2... ad= V^2 - V0^2/2... W=Uf - Ui... W=Fd…
Ei=Ef... Spring=.5kx^2... Ef=Ei+Wdo-Wfric... Wdo=Fl Wfric=UkNl... Fri…
P=W/t=mgd/t=Fv... 1hp=746watts
Pi=Pf
Work
W=Fd=mad=.5mVf^2 - .5mVi^2... ad= V^2 - V0^2/2... W=Uf - Ui... W=Fd…
Conservation of Energy
Ei=Ef... Spring=.5kx^2... Ef=Ei+Wdo-Wfric... Wdo=Fl Wfric=UkNl... Fri…
momentum and energy
momentum
impulse
impulse
p= m x v
mass x velocity
change in momentum over time
force x change in time
momentum = mass x velocity
momentum
mass x velocity
impulse
change in momentum over time
Momentum and energy
elastic collision
Impulse
Impulse-momentum relationship
Inelastic collision
collisions with which both momentum and kinetic energy are st…
i=f*t
If it has more impulse it has more momentum
when colliding objects become tangled
elastic collision
collisions with which both momentum and kinetic energy are st…
Impulse
i=f*t
12 terms
Momentum and Energy
Momentum
Impulse Momentum Theorem
Law of Conservation of Momentum
Energy
The total quantity of inertia in motion for an object or syst…
The net impulse on an object is equal to its change in moment…
In the absence of an outside force, the net momentum of a sys…
The ability to do work, or the ability to cause a change in s…
Momentum
The total quantity of inertia in motion for an object or syst…
Impulse Momentum Theorem
The net impulse on an object is equal to its change in moment…
Momentum and Energy
Conservation of energy for machines
Efficiency
Elastic collision
Energy
The work output of any machine cannot exceed the work input.…
The percentage of the work put into a machine that is convert…
A collision in which clliding objectss rebound without lastin…
The property of a system that enables it to do work.
Conservation of energy for machines
The work output of any machine cannot exceed the work input.…
Efficiency
The percentage of the work put into a machine that is convert…
18 terms
Energy and Momentum
Mass
Weight
Gravity
Force
The amount of matter in an object
A measurement of the force of gravity between an object and t…
A force of attraction that pulls all objects in the universe…
A push or a pull
Mass
The amount of matter in an object
Weight
A measurement of the force of gravity between an object and t…
13 terms
Energy & Momentum
What is the kinetic energy formula?
The greater the momentum the greater t…
Force is equal to change in momentum o…
If kinetic energy is conserved the col…
K = 1/2 m v2
Impulse
Newton's second law
elastic
What is the kinetic energy formula?
K = 1/2 m v2
The greater the momentum the greater t…
Impulse
energy and momentum
Ns
kg m/s
m/s
impulse
a unit of impulse
a unit of momentum
a unit of speed or velocity
product of force and time interval during which force acts
Ns
a unit of impulse
kg m/s
a unit of momentum
92 terms
Energy and Momentum
The ratio of useful work output to tot…
A pulley system can * .
The ratio of output to input force of…
All simple machines ideally work on th…
efficiency
Both change and multiply
mechanical advantage
work input equals work output
The ratio of useful work output to tot…
efficiency
A pulley system can * .
Both change and multiply
Energy and Momentum
About how efficient is a typical gasol…
The ratio of useful work output to tot…
A pulley system can * .
The ratio of output to input force of…
30%
efficiency
Both change and multiply
mechanical advantage
About how efficient is a typical gasol…
30%
The ratio of useful work output to tot…
efficiency
13 terms
Momentum and Energy
Work
Energy
Kinetic Energy
Potential energy
Product of the magnitude of the component and the force along…
The ability to do work
Energy of an object due to its motion
Energy associated with an object due to its position
Work
Product of the magnitude of the component and the force along…
Energy
The ability to do work
Momentum and Energy
inelastic Collision
impulse
impulse-momentum relationship
elastic collision
Colliding objects distort, generate heat, and possibly join t…
A change in momentum
impulse is equal to the change of momentum in an object, Ft =…
colliding objects rebound without lasting deformation and don…
inelastic Collision
Colliding objects distort, generate heat, and possibly join t…
impulse
A change in momentum
36 terms
Momentum and Energy
How do you overcome gravity?
Field Force
How far can gravity affect an object?
Equation for momentum
Can't, but you may decrease it
exert force when objects aren't touching. Attraction,repulsio…
infinitely. decreases rapidly over greater distance
p=mv
How do you overcome gravity?
Can't, but you may decrease it
Field Force
exert force when objects aren't touching. Attraction,repulsio…
9 terms
Momentum and Energy
Energy
Kinetic Engery
Joule
Machine
Is a property of objects which can be transferred to other ob…
Energy of motion-the energy an object possesses because of it…
The SI of work or energy, equal to the work dome by a force
A device consisting of fixed/moving parts that modifies mecha…
Energy
Is a property of objects which can be transferred to other ob…
Kinetic Engery
Energy of motion-the energy an object possesses because of it…
10 terms
energy and momentum
work
mechanical energy
kinetic energy
potential energy
related force and distance traveled as a result of applied fo…
associated with object movement or position
the energy an object has due to its motion
the energy due to the position of an object
work
related force and distance traveled as a result of applied fo…
mechanical energy
associated with object movement or position
18 terms
Momentum and Energy
impulse
work
work
power
change in momentum
change in energy
product of the force and distance through which the force moves
time rate of work
impulse
change in momentum
work
change in energy
12 terms
Momentum and Energy
Momentum
What is another word meaning "change o…
Impulse
Energy
The flow of inertia
Impulse
The change in momentum
The ability to do work
Momentum
The flow of inertia
What is another word meaning "change o…
Impulse
12 terms
Momentum and Energy
Elastic Collision
Impulse
Impulse-momentum Relationship
Inelastic collision
Momentum and Kinetic Energy are conserved
i = F * t
Impulse is equal to the change in momentum
2 things hit and stay together with friction and are deformed
Elastic Collision
Momentum and Kinetic Energy are conserved
Impulse
i = F * t
12 terms
Momentum and Energy
momentum
Impulse
Kinetic energy
Efficiency
inertia in motion
change of momentum
energy description of motion
output/input
momentum
inertia in motion
Impulse
change of momentum
14 terms
Energy and Momentum
Momentum
Impulse
Relationship of impulse and momentum
Law of conservation of momentum
The product of the mass of an object and its velocity.
The product of the force acting on an object and the time dur…
Impulse is equal to the change in the momentum of the object…
In the absence of an external force, the momentum of a system…
Momentum
The product of the mass of an object and its velocity.
Impulse
The product of the force acting on an object and the time dur…
Energy and Momentum
The ability to do work is called:
The work output is 200 joules for a ma…
If you push a book using a force of 2…
A force must be applied to stop a movi…
energy
250 Joules
1 Joule
requires a smaller force
The ability to do work is called:
energy
The work output is 200 joules for a ma…
250 Joules
Energy and Momentum
About how efficient is a typical gasol…
The ratio of useful work output to tot…
A pulley system can * .
The ratio of output to input force of…
30%
efficiency
Both change and multiply
mechanical advantage
About how efficient is a typical gasol…
30%
The ratio of useful work output to tot…
efficiency
Momentum and Energy
momentum
impulse
inertia
collision
the quantity of motion
the change in momentum
the resistance an object has to changing its momentum
when two objects meet at the same place at the same time
momentum
the quantity of motion
impulse
the change in momentum
Momentum and energy
Momentum
Impulse
Conservation of Momentum
Elastic collision
Inertia in motion... p=mv
Change in momentum... J=F*t
In the absence of a net force, the total momentum of the syst…
A collision in which objects are not permanently deformed and…
Momentum
Inertia in motion... p=mv
Impulse
Change in momentum... J=F*t
Energy and momentum
Work
Power
Momentum
Impulse
Calculating the Amount of Work Done by the Forces: Potential…
the rate of doing work.
the quantity of motion of a moving body, measured as a produc…
a driving or motivating force.
Work
Calculating the Amount of Work Done by the Forces: Potential…
Power
the rate of doing work.
Momentum and Energy
Momentum
Impulse
Law of Conservation of Momentum
Elastic Collision
The mass of an object multiplied by its velocity
The quantity force x time interval
Describes that momentum of a system
When objects collide without being permanently deformed
Momentum
The mass of an object multiplied by its velocity
Impulse
The quantity force x time interval
30 terms
Energy and Momentum
Energy
Work
Joule
Kinetic Energy
the ability to do work
involves a force that acts over a certain distance
SI unit for measuring energy or work = one newton of force ov…
energy due to motion
Energy
the ability to do work
Work
involves a force that acts over a certain distance
Energy and momentum
Work done
Kinetic energy
G potential energy
Conservative force
F.s
1/2mv^2
Mgh
Don't depend upon path followed
Work done
F.s
Kinetic energy
1/2mv^2
Energy and Momentum
About how efficient is a typical gasol…
The ratio of useful work output to tot…
A pulley system can * .
The ratio of output to input force of…
30%
efficiency
Both change and multiply
mechanical advantage
About how efficient is a typical gasol…
30%
The ratio of useful work output to tot…
efficiency
93 terms
Energy and Momentum
About how efficient is a typical gasol…
The ratio of useful work output to tot…
A pulley system can * .
The ratio of output to input force of…
30%
efficiency
Both change and multiply
mechanical advantage
About how efficient is a typical gasol…
30%
The ratio of useful work output to tot…
efficiency
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