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Momentum

Impulse

Conservation of momentum

Law of conservation of momentum

Property of moving things; means intertia in motion

Product of force and time

Remains unchanged under certain conditions

In the absence of an external force, the momentum of a system…

Momentum

Property of moving things; means intertia in motion

Impulse

Product of force and time

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 colliding objects 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…

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…

????

Occurs when objects bounce off each other without losing kine…

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…

If both the mass and speed of an objec…

If the mass of an object decreases to…

Your friend says that impulse equals m…

A car and a heavy truck roll down a hi…

is quadrupled.

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

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

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

If both the mass and speed of an objec…

is quadrupled.

If the mass of an object decreases to…

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

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 energ…

Energy is never created or destroyed;accounts for nonconserva…

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 energ…

Energy is never created or destroyed;accounts for nonconserva…

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 energ…

Energy is never created or destroyed;accounts for nonconserva…

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…

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)…

Work

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

ramp

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

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.…

newton's third law

momentum

impulse

law of conservation of momentum

for every action force, there is a reaction force equal in st…

the mass of an object multiplied by its speed or velocity

the product of force x time that causes a change in momentum

in the absence of external forces, the total momentum of a sy…

newton's third law

for every action force, there is a reaction force equal in st…

momentum

the mass of an object multiplied by its speed or velocity

If the mass of an object decreases to…

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

Which of the following equations best…

When a cannonball is shot from a canno…

remains unchanged.

B. 5 times as much momentum

Ft = Dmv.

equal and opposite.

If the mass of an object decreases to…

remains unchanged.

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

B. 5 times as much momentum

Which has a greater momentum: an autom…

When a ball is hit with a given force,…

Why is it a good idea to extend your b…

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 autom…

A moving skateboard because it has speed, or velocity

When a ball is hit with a given force,…

...

mass

inertia

weight

momentum

Amount of matter in an object.

Resistance of an object to a change in its motion

A measure of the force of gravity on an object.

Measure of how hard it is to stop an object, Mass x Velocity

mass

Amount of matter in an object.

inertia

Resistance of an object to a change in its motion

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 transfe…

The Watt (capital W).

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

The Joule (capital J)

What is the conservation of energy?

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

What is the unit of power?

The Watt (capital W).

Momentum

Angular momentum

Impulse

How do you change the MOMENTUM of an o…

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

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 som…

Change its velocity ... Apply a: Net Force

Momentum

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

Angular momentum

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

What is Momentum?

Momentum Formula

High mass or high velocity

High mass and high velocity

Is inertia in motion defined as the product of mass and veloc…

Momentum = mass x velocity

high momentum

higher momentum

What is Momentum?

Is inertia in motion defined as the product of mass and veloc…

Momentum Formula

Momentum = mass x velocity

Define momentum

Define impluse

Derive the impulse- momentum Theorem

Derive the law of conservation is energy

Body mass "m" moving at velocity "v" is the product of the ma…

Is the product of the forces and times it is applied... I=FT

F = ma ... F= m(vf - vi)/t ... F=(mvf -mvi)/t ... F= (pf - pi)/t ... F =…

F1 = -F2 m1 ... F1Δt = -F2Δt v*1 ... Δp1 = -Δp2 m1 (v1* - v1) = m2(…

Define momentum

Body mass "m" moving at velocity "v" is the product of the ma…

Define impluse

Is the product of the forces and times it is applied... I=FT

A lunar vehicle is tested on Earth at…

When the speed of an object is doubled…

Which has greater momentum: an automob…

When a ball is hit with a given force,…

its momentum is the same

doubles

moving skateboard

Change in momentum, and speed, is proportional to impulse, wh…

A lunar vehicle is tested on Earth at…

its momentum is the same

When the speed of an object is doubled…

doubles

Inelastic Collision

Elastic Collision

Collision

Momentum (definition)

a collision where two items collide and they stick together

when 2 objects collide and bounce off of each other

A situation in which two objects in close contact exchange en…

The quantity of motion of a moving body.

Inelastic Collision

a collision where two items collide and they stick together

Elastic Collision

when 2 objects collide and bounce off of each other

A freight train rolls along a track wi…

A heavy truck and a small truck roll d…

The unit kilowatt-hour is a unit of

A hydraulic jack is used to lift an au…

doubled

momentum

energy

2000 N

A freight train rolls along a track wi…

doubled

A heavy truck and a small truck roll d…

momentum

A 1-kg ball has the same speed as a 10…

In the absence of external forces, mom…

If the running speed of Fast Freda dou…

Which of these equation best explains…

10 time as much momentum

Either an elastic or an inelastic collision

Momentum

Ft = ^ (mv)

A 1-kg ball has the same speed as a 10…

10 time as much momentum

In the absence of external forces, mom…

Either an elastic or an inelastic collision

elastic collision

impulse

impulse-momentum relationship

inelastic collision

colliding objects bounce; little deformation of objects occur

Ft; change of momentum; reason why you can break a stack of b…

impulse = change of momentum; by increasing the time over whi…

colliding objects stick together; much deformation of objects…

elastic collision

colliding objects bounce; little deformation of objects occur

impulse

Ft; change of momentum; reason why you can break a stack of b…

MOMENTUM (p)

MOMENTUM AND MASS

MOMENTUM AND VELOCITY

IMPULSE

"inertia in motion"... mass x velocity... kg - m/s

The more mass an object has, the greater the momentum.... DIREC…

The more velocity an object has, the greater the momentum.... D…

A "change in momentum"... Created by applying a force over a pe…

MOMENTUM (p)

"inertia in motion"... mass x velocity... kg - m/s

MOMENTUM AND MASS

The more mass an object has, the greater the momentum.... DIREC…

Momentum

Impulse

Newton's Second Law in terms of momentum

Elastic Collisions

The product of the mass and velocity of the object (mv)

The product of the net force and the contact time.

The net force acting on an object is equal to the rate of cha…

A collision in which both momentum and kinetic energy are con…

Momentum

The product of the mass and velocity of the object (mv)

Impulse

The product of the net force and the contact time.

mass x velocity (mv)

kgm(s^-1)

total momentum of objects before colli…

When both kinetic energy and momentum…

Linear momentum ( momentum p )

Units of momentum

Conservation of momentum (in a closed system)

Perfectly elastic collision

mass x velocity (mv)

Linear momentum ( momentum p )

kgm(s^-1)

Units of momentum

Momentum

Impulse

Law of Conservation of Momentum

Elastic Collision

This is "inertia in motion". It refers to a the quantity of m…

In a collision, an object experiences a force for a given amo…

This law states that, in the absence of an external force, th…

This occurs when objects collide without permanent deformatio…

Momentum

This is "inertia in motion". It refers to a the quantity of m…

Impulse

In a collision, an object experiences a force for a given amo…

what does impulse involve

raising a 2x as massive car takes how…

If you push an object a given distance…

An object lifted 10 meters gains 200 J…

the time that a force acts

twice as much

twice as much

twice as much

what does impulse involve

the time that a force acts

raising a 2x as massive car takes how…

twice as much

What is the definition for energy?

Most physics textbooks define energy a…

What are the problems with the definit…

What is a better definition for energy?

There is no definition for energy!

The ability to do work.

1. For one thing, if you don't know what work is (in physics…

The ability to cause change.

What is the definition for energy?

There is no definition for energy!

Most physics textbooks define energy a…

The ability to do work.

elastic collision

impulse

impulse-momentum relationship

inelastic collision

colliding objects bounce; little deformation of objects occur

Ft; change of momentum; reason why you can break a stack of b…

impulse = change of momentum; by increasing the time over whi…

colliding objects stick together; much deformation of objects…

elastic collision

colliding objects bounce; little deformation of objects occur

impulse

Ft; change of momentum; reason why you can break a stack of b…

Linear momentum ( momentum p )

Units of momentum

Conservation of momentum (in a closed…

Perfectly elastic collision

mass x velocity (mv)

kgm(s^-1)

total momentum of objects before collision = total momentum o…

When both kinetic energy and momentum are conserved.

Linear momentum ( momentum p )

mass x velocity (mv)

Units of momentum

kgm(s^-1)

conserved

elastic collision

impulse

inelastic collision

Term applied to a physical quantity, such as momentum, energy…

A collision in which colliding objects rebound without lastin…

change in momentum

When colliding objects become tangled or coupled together

conserved

Term applied to a physical quantity, such as momentum, energy…

elastic collision

A collision in which colliding objects rebound without lastin…

mass x velocity (mv)

kgm(s^-1)

total momentum of objects before colli…

When both kinetic energy and momentum…

Linear momentum ( momentum p )

Units of momentum

Conservation of momentum (in a closed system)

Perfectly elastic collision

mass x velocity (mv)

Linear momentum ( momentum p )

kgm(s^-1)

Units of momentum

elastic collision

impulse

impulse-momentum relationship

inelastic collision

collision when colliding objects rebound without using heat o…

i=F*t

Ft=change in mv

when colliding objects become tangled

elastic collision

collision when colliding objects rebound without using heat o…

impulse

i=F*t

10 times as much momentum

either an elastic or an inelastic coll…

mementum

Ft=Δ(mv)

A 1-KG ball has the same speed as a 10-KG ball. Compared with…

In the absence of external forces, momentum is conserved in...

If the running speed of Fast Friday doubles, what also double…

Which of these equations best explains the usefulness of auto…

10 times as much momentum

A 1-KG ball has the same speed as a 10-KG ball. Compared with…

either an elastic or an inelastic coll…

In the absence of external forces, momentum is conserved in...

speed

average speed

instantaneous speed

velocity

Distance travelled per unit time

The distance an object travels divided by the time it takes t…

The rate at which an object is moving at a given moment in time

Speed in a given direction

speed

Distance travelled per unit time

average speed

The distance an object travels divided by the time it takes t…

Momentum

what is the symbol for momentum?

what is the formula for momentum?

Is momentum as scalar or vector quantity

a measure of how hard it is to stop an object; it depends on…

p

momentum(kg*m/s)=mass(kg) x velocity(m/s)... p=mv

Vector quantity (it has direction)

Momentum

a measure of how hard it is to stop an object; it depends on…

what is the symbol for momentum?

p

Momentum

Equation for Momentum

Impulse

Impulse-Momentum Theorem

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

The product of a constant force and time interval.

Momentum

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

Equation for Momentum

Newton's 3rd Law

Forces occur in

3rd Law: forces do not cancel each oth…

Force =

For every action force there is an equal and opposite reactio…

pairs

because forces acting on different objects

ma

Newton's 3rd Law

For every action force there is an equal and opposite reactio…

Forces occur in

pairs

motion involves what?

velocity

speed

SI unit for speed

a change in position relevant to a reference point

speed and DIRECTION of a moving object

distance ÷ time

m/s (not squared!!!!)

motion involves what?

a change in position relevant to a reference point

velocity

speed and DIRECTION of a moving object

the distance traveled divided by the t…

found by dividing the total distance t…

the speed of an object at one instant…

the speed of an object and the directi…

speed

average speed

instantaneous speed

velocity

the distance traveled divided by the t…

speed

found by dividing the total distance t…

average speed

Fdcosθ

Work

J (joules; equal to units of energy)

0

W = (eqn for work)

This is the amount of energy transferred by a force acting th…

Unit for work

When the force and displacement are perpendicular is the work…

Fdcosθ

W = (eqn for work)

Work

This is the amount of energy transferred by a force acting th…

Elastic Collision

Impulse

Impulse-momentum relationship

Inelastic collision

When objects collide without being permanently deformend

I=f*t

The greater the impulse the greater the momentum

When an object collides and are tangled up together

Elastic Collision

When objects collide without being permanently deformend

Impulse

I=f*t

-Graphing calculators default to "Radians" and must be change…

Are on the same line and point the same way or in opposite di…

They can be added or subtracted normally.

Are vectors that are perpendicular to each other.

-Graphing calculators default to "Radians" and must be change…

Are on the same line and point the same way or in opposite di…

Conserved

elastic collision

impulse

inelastic collision

unchanged

Kinetic energy is conserved. Momentum is conserved. This mean…

force x time; causes a change in momentum

Kinetic energy is NOT conserved. Momentum is conserved. The k…

Conserved

unchanged

elastic collision

Kinetic energy is conserved. Momentum is conserved. This mean…