# Study sets matching "momentum chapter 3"

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What remains constant in any type of co…

Why is Total Kinetic energy NOT conserv…

perfectly inelastic collision

why are perfectly inelastic collisions…

The total momentum

some kinetic energy is converted to internal energy when the o…

a collision in which two objects stick together

the objects essentially become one object after the collision

What remains constant in any type of co…

The total momentum

Why is Total Kinetic energy NOT conserv…

some kinetic energy is converted to internal energy when the o…

momentum

momentum = m x v

momentum

or... and... or... and

inertia in motion... -product of mass & velocity

equation for momentum

___________ is a vector... -same direction as velocity

high mass ____ high velocity = high momentum... high mass ____ hi…

momentum

inertia in motion... -product of mass & velocity

momentum = m x v

equation for momentum

Momentum

Impulse

Change of Momentum

Elastic Collision

The mass of an object multiplied by its speed or velocity

The application of a force over time that causes a change in m…

????

Occurs when objects bounce off each other without losing kinet…

Momentum

The mass of an object multiplied by its speed or velocity

Impulse

The application of a force over time that causes a change in m…

Momentum

Elastic Collision

Inelastic Collision

Law of Conservation of Momentum

A quantity defined as the product of an object's mass and velo…

Occurs when objects bounce off each other with no loss in the…

Occurs when objects change shape or stick together, and the to…

The total momentum before a collision is equal to the total mo…

Momentum

A quantity defined as the product of an object's mass and velo…

Elastic Collision

Occurs when objects bounce off each other with no loss in the…

momentum

a moving object has

impulse

the change in mom of an object is = to…

inertia in motion, defined as the product of mass and velocity

momentum energy and speed

product of force and contact time, impulse = force x time

force x time = change in momentum or ft= Omv

momentum

inertia in motion, defined as the product of mass and velocity

a moving object has

momentum energy and speed

Conservation of energy for machines

Efficiency

Elastic collision

Energy

The work output of any machine cannot exceed the work input. I…

The percentage of the work put into a machine that is converte…

A collision in which colliding objects rebound without lasting…

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. I…

Efficiency

The percentage of the work put into a machine that is converte…

The impulse-momentum relationship is a…

Raising an auto in a service station re…

According to the law of energy conserva…

Raising an auto in a service station re…

second law

twice the work

transferred or transformed

twice the power

The impulse-momentum relationship is a…

second law

Raising an auto in a service station re…

twice the work

If both the mass and speed of an object…

If the mass of an object decreases to h…

Your friend says that impulse equals mo…

A car and a heavy truck roll down a hil…

is quadrupled.

remains unchanged. ... Explanation:... m/2 2v = mv

change.... Explanation:... Your friend should say that impulse equal…

more.... Here we have more mass at the same speed for more moment…

If both the mass and speed of an object…

is quadrupled.

If the mass of an object decreases to h…

remains unchanged. ... Explanation:... m/2 2v = mv

Conservation Energy

Conservation of energy for machines

Efficiency

Elastic collision

Energy cannot be created or destroyed; it may be transformed f…

The work output of any machine cannot be exceed the work inout…

The percentage of the work put into a machine that is covered…

A collision in which colliding objects rebound without lasting…

Conservation Energy

Energy cannot be created or destroyed; it may be transformed f…

Conservation of energy for machines

The work output of any machine cannot be exceed the work inout…

If the mass of an object decreases to h…

A 1-kg ball has twice as much speed as…

Which of the following equations best i…

When a cannonball is shot from a cannon…

remains unchanged.

B. 5 times as much momentum

Ft = Dmv.

equal and opposite.

If the mass of an object decreases to h…

remains unchanged.

A 1-kg ball has twice as much speed as…

B. 5 times as much momentum

Work

ramp

Gravitational Potential Energy

potential energy

work is directly proportional to force and distance... W=Fxd

"inclined plane" a flat supporting surface tilted at an angle,…

energy available stored in objects height

-possible energy that every object contains... -stored (latent) e…

Work

work is directly proportional to force and distance... W=Fxd

ramp

"inclined plane" a flat supporting surface tilted at an angle,…

Which has a greater momentum: an automo…

When a ball is hit with a given force,…

Why is it a good idea to extend your ba…

Why would it be a bad idea to have the…

A moving skateboard because it has speed, or velocity

...

Giving the ball more time to change momentum means less force…

...

Which has a greater momentum: an automo…

A moving skateboard because it has speed, or velocity

When a ball is hit with a given force,…

...

Kinetic Energy

Potential Energy

Total Mechanical Energy

First Law of Thermodynamics

-energy of motion ... -unit: joules

-When an object with mass has the potential to do something.…

E = U + K... -Doesn't account for other energies (aka thermal)

Energy is never created or destroyed

Kinetic Energy

-energy of motion ... -unit: joules

Potential Energy

-When an object with mass has the potential to do something.…

Kinetic Energy

Potential Energy

Total Mechanical Energy

First Law of Thermodynamics

Energy in motion... K = ½mv²... SI units: Joule (J) = kg*m²/s² ... m =…

Energy of an object due to its height from ground level ... PE =…

E = PE + KE... E = total mechanical energy... PE = potential energy…

Energy is never created or destroyed;accounts for nonconservat…

Kinetic Energy

Energy in motion... K = ½mv²... SI units: Joule (J) = kg*m²/s² ... m =…

Potential Energy

Energy of an object due to its height from ground level ... PE =…

Kinetic Energy

Potential Energy

Total Mechanical Energy

First Law of Thermodynamics

Energy in motion... K = ½mv²... SI units: Joule (J) = kg*m²/s² ... m =…

Energy of an object due to its height from ground level ... PE =…

E = PE + KE... E = total mechanical energy... PE = potential energy…

Energy is never created or destroyed;accounts for nonconservat…

Kinetic Energy

Energy in motion... K = ½mv²... SI units: Joule (J) = kg*m²/s² ... m =…

Potential Energy

Energy of an object due to its height from ground level ... PE =…

Kinetic Energy

Potential Energy

Total Mechanical Energy

First Law of Thermodynamics

Energy in motion... K = ½mv²... SI units: Joule (J) = kg*m²/s² ... m =…

Energy of an object due to its height from ground level ... PE =…

E = PE + KE... E = total mechanical energy... PE = potential energy…

Energy is never created or destroyed;accounts for nonconservat…

Kinetic Energy

Energy in motion... K = ½mv²... SI units: Joule (J) = kg*m²/s² ... m =…

Potential Energy

Energy of an object due to its height from ground level ... PE =…

Momentum

Angular momentum

Impulse

How do you change the MOMENTUM of an ob…

The inertia of a moving object. ... P=m•v... The quantity of movin…

The momentum of an object traveling in a curved path. ... L=m•v•r

Is the product of a net force acting on an object through some…

Change its velocity ... Apply a: Net Force

Momentum

The inertia of a moving object. ... P=m•v... The quantity of movin…

Angular momentum

The momentum of an object traveling in a curved path. ... L=m•v•r

What is the conservation of energy?

What is the unit of power?

What is power?

What is the unit of work done?

Energy cannot be created or destroyed. It can only be transfer…

The Watt (capital W).

Power is the rate at which one form of energy is transferred t…

The Joule (capital J)

What is the conservation of energy?

Energy cannot be created or destroyed. It can only be transfer…

What is the unit of power?

The Watt (capital W).