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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
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
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…
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…
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
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
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.
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…
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…
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
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
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…
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
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
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
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
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
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
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…
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
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
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
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
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.
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 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
16 terms
Energy and momentum
energy rule
types of energy
potential energy
kinetic energy
Energy can neither be created nor destroyed but may be transf…
mechanical, electrical,light,thermal, and chemical
energy due to position
energy of motion (speed)
energy rule
Energy can neither be created nor destroyed but may be transf…
types of energy
mechanical, electrical,light,thermal, and chemical
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.
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
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
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
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
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
20 terms
Momentum and Energy
Momentum Conservation in 2D
Types of Energy
Where energy can be lost:
Energy
When a vertical and horizontal vector combine, the resultant…
Kinetic Energy... Gravitational Potential Energy... Elastic Potenti…
Sound Energy... Fluid Resistance... Friction... Breaking Bonds
A scalar represented by E.... It is N m (in some cases cosx)…
Momentum Conservation in 2D
When a vertical and horizontal vector combine, the resultant…
Types of Energy
Kinetic Energy... Gravitational Potential Energy... Elastic Potenti…
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
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…
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 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
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
26 terms
Momentum and Energy
Momentum Definition 1
Momentum Definition 2
momentum =
Momentum Symbol
Inertia in motion
Difficulty in stopping or changing an objects motion
mass x velocity
p
Momentum Definition 1
Inertia in motion
Momentum Definition 2
Difficulty in stopping or changing an objects motion
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