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Study sets matching "energy momentum"

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Study sets matching "energy 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
16 terms
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 & 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
15 terms
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
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…
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…
21 terms
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…
6 terms
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…
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
11 terms
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.
10 terms
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…
24 terms
Energy&Momentum
Kinetic Energy
Potential Energy
Joules
Formula for Potential Energy
Energy associated with motion
Energy associated with distance away from a gravitational sou…
Unit of Energy
Potential Energy=massgravityheight
Kinetic Energy
Energy associated with motion
Potential Energy
Energy associated with distance away from a gravitational sou…
12 terms
Momentum & Energy
Elastic Collision
Impulse
impulse-Momentum Realtionship
Inelastic Collision
Object collide without being permanently deformed and without…
Change in momentum.
The greater the impulse exerted on something, the greater the…
Whenever colliding objects become tangled or coupled together.
Elastic Collision
Object collide without being permanently deformed and without…
Impulse
Change in momentum.
6 terms
Momentum & Energy
Energy
Conservation Of Energy
Potential Energy
Kinetic Energy
able to do work
Energy can not be made or brought down, Only changed or moved
Energy in movement
Saved Energy
Energy
able to do work
Conservation Of Energy
Energy can not be made or brought down, Only changed or moved
6 terms
Momentum & Energy
Energy
Conservation of energy
KE
PE
ability to do work
energy cannot be created or destroyed only transformed or tra…
Energy in motion based on an objects position
Stored energy based on an objects position
Energy
ability to do work
Conservation of energy
energy cannot be created or destroyed only transformed or tra…
12 terms
Energy & Momentum
Work (negative work)
Kinetic energy
Work energy theorem
Gravitational Potential Energy
Work is the amount of energy transferred when a force moves a…
The energy of an object, resulting from its motion.... Scalar
The work-energy theorem states that the net work done on an o…
The stored energy in a system resulting from the gravitationa…
Work (negative work)
Work is the amount of energy transferred when a force moves a…
Kinetic energy
The energy of an object, resulting from its motion.... Scalar
17 terms
Momentum/Energy
potential energy
kinetic energy
mechanical energy
kinetic energy equation
object's stored energy
energy when in motion
potential+kinetic
K=1/2mv^2
potential energy
object's stored energy
kinetic energy
energy when in motion
42 terms
Momentum & Energy
Work is done when the force and displa…
Work is done when the force and displa…
More work is done to life a 2.00-kg ob…
The maximum work a force can do on an…
T
F Parallel
F, same amount of work is done
T
Work is done when the force and displa…
T
Work is done when the force and displa…
F Parallel
12 terms
momentum & energy
Elastic Collision
Impluse
impulse - momentum relationship
inelastic collision
when objects collide without creating heat and being deformed
the change in momentum
The greater the impulse the greater the change of momentum
when objects colliding get stuck together
Elastic Collision
when objects collide without creating heat and being deformed
Impluse
the change in momentum
12 terms
Momentum- Energy
Elastic Collision
Impules-Momentum Relishintionship
Inelstic Collesion
Law of conservation of momentum
between two bodies in which the total kinetic energy of the t…
An object's change in momentum is equal to its impulse.
A perfectly elastic collision is defined as one in which ther…
A conservation law stating that the total linear momentum of…
Elastic Collision
between two bodies in which the total kinetic energy of the t…
Impules-Momentum Relishintionship
An object's change in momentum is equal to its impulse.
15 terms
momentum/energy
energy
kinetic energy
momentum
impulse
the ability/capacity to do work... scalar... J
the energy of motion... ability/capacity of a moving object to m…
measures how hard it is to stop a moving object... (kg)(m)/s
a change in momentum... (kg)(m)/s
energy
the ability/capacity to do work... scalar... J
kinetic energy
the energy of motion... ability/capacity of a moving object to m…
39 terms
Momentum & Energy
A 2kg ball is thrown 3m/s. What is the…
A 4kg ball has a momentum of 12kg m/s.…
A freight train rolls along a track wi…
Gym mats reduce the force on a gymnast…
2kg x 3 m/s = 6kg m/s
12kg / 4kg = 3 m/s
Doubled.
Increase
A 2kg ball is thrown 3m/s. What is the…
2kg x 3 m/s = 6kg m/s
A 4kg ball has a momentum of 12kg m/s.…
12kg / 4kg = 3 m/s
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
12 terms
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
12 terms
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
9 terms
Momentum and Energy
Air track
Approach velocity
conservation of energy
conservation of momentum
a triangular track that is performed with holes that emit air.
the rate at which two objects are approaching one another
the principle that the total energy in closed system remains…
the principle that the total momentum in a closed system rema…
Air track
a triangular track that is performed with holes that emit air.
Approach velocity
the rate at which two objects are approaching one another
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
12 terms
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
11 terms
Momentum and Energy
Momentum
Elastic Collision Equation
Elastic Collision Identity
Inelastic Collision Equation
p=mv
m₁v₁+m₂v₂=m₁v₃+m₂v₄
Same number of objects from the beginning
m₁v₁+m₂v₂=(m₁+m₂)v₃
Momentum
p=mv
Elastic Collision Equation
m₁v₁+m₂v₂=m₁v₃+m₂v₄
12 terms
Momentum and Energy
Elastic Collision
Impulse
Impulse-Momentum relationship
Inelastic collision
When objects collide without being permanately defromed and w…
i = F * t
The greater the impulse on something, the greater the change…
Whenever colliding objects become tangled together
Elastic Collision
When objects collide without being permanately defromed and w…
Impulse
i = F * t
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
12 terms
Momentum and Energy
Elastic Collisoin
Impulse-Momentum Realationship
Inelastic-Collision
Law of conservation of momentum
Collision where the objects bounce of each other.
An object chang
A collision where the objects become distorted
P before = P after
Elastic Collisoin
Collision where the objects bounce of each other.
Impulse-Momentum Realationship
An object chang
12 terms
MOMENTUM and energy
Elastic collision
Impuse
Impulse-momentum relationship
inelastic collision
Elastic collisions are collisions in which both momentum and…
A sudden strong and unreflective urge or desire to act.
is mass in motion, and any moving object can have momentum.
is defined as one in which there is no loss of kinetic energy…
Elastic collision
Elastic collisions are collisions in which both momentum and…
Impuse
A sudden strong and unreflective urge or desire to act.
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
12 terms
Momentum and Energy
Elastic Collision
Impulse
Impulse-Momentum Relationship
Inelastic Collision
Objects collide without being permanently deformed and withou…
M V = M2 V2
The greater the impulse exerted on something, the greater the…
Colliding objects become tangled or coupled together
Elastic Collision
Objects collide without being permanently deformed and withou…
Impulse
M V = M2 V2
21 terms
Momentum & Energy
momentum
What factors affect an object's moment…
What factors affect how much an object…
How does the impulse of a bounce compa…
mass × velocity
mass, speed, or both mass & speed
The force that acts & the length of time it acts.
The impulse of a bounce (to bring an object to a stop & then…
momentum
mass × velocity
What factors affect an object's moment…
mass, speed, or both mass & speed
12 terms
Momentum and Energy
Elastic Collision
Impulse
Impulse-momentum relationship
inelastic collision
A collision in which colliding objects rebound without lastin…
Change in momentum
when they are equal to eachother
A collision in which the colliding objects become distorted,…
Elastic Collision
A collision in which colliding objects rebound without lastin…
Impulse
Change in momentum
12 terms
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
20 terms
Energy and Momentum
Work
Energy
Mechanical energy
Kinetic Energy
product of the net force on the object and its displacement i…
The ability to do work.
the energy that a body possesses due to its position or motio…
energy carried by a moving object. ... KE = 1/2 mv²
Work
product of the net force on the object and its displacement i…
Energy
The ability to do work.
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…
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
8 terms
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
21 terms
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
12 terms
Momentum and Energy
Conservation of Momentum
Impulse
inelastic collision
Momentum
P=P
change in momentum
objects stick together
the mass of an object and its velocity
Conservation of Momentum
P=P
Impulse
change in momentum
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
6 terms
Momentum and Energy
Energy
Conservation of energy
Kinetic Energy
Potential Energy
the ability to do work.
A conservation law stating that the total linear momentum of…
Energy in motion.
stored energy
Energy
the ability to do work.
Conservation of energy
A conservation law stating that the total linear momentum of…
16 terms
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…
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