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The force of gravity on you is greates…

A supplier wants to make a profit by b…

The gravitational field strength at th…

If the radius of the Earth decreased w…

On earth's surface

Disregard altitude because it has a negligible effect

Zero

Increase

The force of gravity on you is greates…

On earth's surface

A supplier wants to make a profit by b…

Disregard altitude because it has a negligible effect

gravitational field

gravitational force

free fall acceleration

GPE near surface

tells how much 1 kg of mass weighs at a location... near earth,…

mg

equal to gravitational field

mgh

gravitational field

tells how much 1 kg of mass weighs at a location... near earth,…

gravitational force

mg

(Johannes) Kepler

First

Second

Third

___ was a German mathematician, astronomer and astrologer; ke…

Kepler's (first / second / third) law says that the orbit of…

Kepler's (first / second / third) law says that a line joinin…

Kepler's (first / second / third) law says that the square of…

(Johannes) Kepler

___ was a German mathematician, astronomer and astrologer; ke…

First

Kepler's (first / second / third) law says that the orbit of…

Centripetal Acceleration

Centripetal Force

Galileo Galilei

Henry Cavendish

acceleration towards the center of the circle

Force that is directed to the center of the circle, allows an…

Discovered Gravity

found the value of G

Centripetal Acceleration

acceleration towards the center of the circle

Centripetal Force

Force that is directed to the center of the circle, allows an…

Law of Universal Gravitation Formula

Acceleration due to Gravity

Force of Gravity between Multiple Masses

Circumference(d)

Fg=G(M1)(M2)/r^2

g=G(M2)/r^2

£F=G(M2)(M3)/r^2 -G(M1)(M2)/r^2

2piR

Law of Universal Gravitation Formula

Fg=G(M1)(M2)/r^2

Acceleration due to Gravity

g=G(M2)/r^2

uniform circular motion

centripetal acceleration

radial acceleration

frequency

an object that moves in a circle at a constant speed (the dir…

"center-pointing" acceleration, same as radial acceleration.

directed along the radius of the circle of motion, same as ce…

the number of revolutions per second (measured in Hz)

uniform circular motion

an object that moves in a circle at a constant speed (the dir…

centripetal acceleration

"center-pointing" acceleration, same as radial acceleration.

What is Newton's law of gravitation (e…

What is Newton's law of gravitation in…

What is the inverse square law for lig…

What is a gravitational field?

The attractive gravitational force between two masses proport…

A region in which a massive object experiences a gravitationa…

What is Newton's law of gravitation (e…

What is Newton's law of gravitation in…

The attractive gravitational force between two masses proport…

Each of five satellites makes a circul…

An asteroid moves in an elliptic orbit…

A person weighing 800 newtons on Earth…

Mars has a mass 1/10 that of Earth and…

Mass Radius... B) m 1/2R

D) Potential energy

A) 400N

D) 4m/s^2

Each of five satellites makes a circul…

Mass Radius... B) m 1/2R

An asteroid moves in an elliptic orbit…

D) Potential energy

What happens to the force of two masse…

What happens to the force of two masse…

What happens to the force of two masse…

1/9

1/16

x4

x2

1/9

What happens to the force of two masse…

1/16

Newton's Universal Law of Gravitation

Gravitational Field Strength (g)

Gravitational Potential Energy (E_P)

Gravitational Potential (V)

The force of gravity between two objects is directly proporti…

Gravitational force per unit mass on a point ... mass (g = F g /…

The work done in moving a mass from ... infinity to a point in s…

The work done per unit mass in moving a mass from infinity to…

Newton's Universal Law of Gravitation

The force of gravity between two objects is directly proporti…

Gravitational Field Strength (g)

Gravitational force per unit mass on a point ... mass (g = F g /…

Point mass

Gravitational field

Gravitational field lines

Uniform gravitational field

A mass with negligible volume

A region in which a gravitational force acts on mass at a dis…

Lines of force used to map the gravitational field pattern ar…

A gravitational field in which the field lines are parallel a…

Point mass

A mass with negligible volume

Gravitational field

A region in which a gravitational force acts on mass at a dis…

What happens to the force of two masse…

What happens to the force of two masse…

What happens to the force of two masse…

1/9

1/16

x4

x2

1/9

What happens to the force of two masse…

1/16

Cappernicus

Brahe

Kepler

Kepler's Laws

Polish astronomer - 1543 heliocentric model of the solar syst…

Danish astronomer buikt huge instruments, made exact measurem…

German assistant to Brahe, concluded heliocentric correct

-Paths of planets are ellipses with the sun at the focal poin…

Cappernicus

Polish astronomer - 1543 heliocentric model of the solar syst…

Brahe

Danish astronomer buikt huge instruments, made exact measurem…

Suppose a doorknob is places at the ce…

When an astronaut in orbit experiences…

How would the speed of Earth's orbit a…

Why does an astronaut weigh less on th…

Two times as much

the net gravitational force on the astronaut is not balanced…

t would decrease by a factor of 2

The gravitational field strength is less on the moon's surfac…

Suppose a doorknob is places at the ce…

Two times as much

When an astronaut in orbit experiences…

the net gravitational force on the astronaut is not balanced…

Gravity originated from...

universal force of gravity

objects in orbit are...

falling

Newton: a natural philosopher who wanted to explain the philo…

can happen anywhere and everywhere- gravity is present and ac…

falling

an object drops toward planet (due to gravity)... velocity: 0 m/s

Gravity originated from...

Newton: a natural philosopher who wanted to explain the philo…

universal force of gravity

can happen anywhere and everywhere- gravity is present and ac…

gravitation

shell theorem

F= GMm/r^2

principle of superposition

movement, or a tendency to move, toward a center of attractiv…

In classical mechanics, the shell theorem gives gravitational…

equation for gravitation

In physics and systems theory, the superposition principle, a…

gravitation

movement, or a tendency to move, toward a center of attractiv…

shell theorem

In classical mechanics, the shell theorem gives gravitational…

acceleration

where is acceleration directed in a ci…

force

where is the force always directed

v^2/r

towards the center of the circle

EF= m(v^2/r)

towards the center of the circle

acceleration

v^2/r

where is acceleration directed in a ci…

towards the center of the circle

gravitational force

equal but opposite force with apple on…

it would leave its orbit in a straight…

they are accelerating, centripetal

attractive force between any 2 objects... -weakest of all the fo…

in apple and earth example, how are the forces compared

if the moon didnt feel an attraction to earth,

objects moveing in a circle constanly change direction so____…

gravitational force

attractive force between any 2 objects... -weakest of all the fo…

equal but opposite force with apple on…

in apple and earth example, how are the forces compared

Angular velocity

Linear Speed

360 degrees

Zero

rad/s; ... The rate at which a body rotates about an axis.

m/s ; the distance traveled per unit of time.

Angular displacement after 1 complete revolution.

Linear displacement after 1 complete revolution.

Angular velocity

rad/s; ... The rate at which a body rotates about an axis.

Linear Speed

m/s ; the distance traveled per unit of time.

inverse-square law

law of universal gravitation

perturbation

universal gravitational constant

a quantity varies as the inverse square of its distance from…

each object attracts the other object with a force that is di…

the deviation of an orbiting object from its path around a ce…

the constant G in the equation for Newton's law of universal…

inverse-square law

a quantity varies as the inverse square of its distance from…

law of universal gravitation

each object attracts the other object with a force that is di…

Albert Einstein

Gravitation

Gravitational force

Gravity

20th century German physicist who developed an alternate expl…

the mutual attraction between any two objects with mass

force of attraction between any two objects with mass; each o…

one of the 4 field forces; effects are long range but weak

Albert Einstein

20th century German physicist who developed an alternate expl…

Gravitation

the mutual attraction between any two objects with mass

Gravitational Force

Law of Universal Graduation

Equation of Law of UG

Direct Relationship

Force of attraction between two objects

Used to quantify the relationship involved in gravitational f…

Fg = Gm1m2/r^2

As gravitational force increases so does the mass; vice versa…

Gravitational Force

Force of attraction between two objects

Law of Universal Graduation

Used to quantify the relationship involved in gravitational f…

Kepler's First Law

Kepler's Second Law

Kepler's Third Law

Law of Universal Gravitation

planets orbit as ellipses, where the sun is the focal point

planets sweep the same area in the same amount of time

The equations for the relationship between the periods (time)…

(don't need to memorize equation but it's) F=[G** (m1**m2)/r^2]…

Kepler's First Law

planets orbit as ellipses, where the sun is the focal point

Kepler's Second Law

planets sweep the same area in the same amount of time

Perihelion

Aphelion

Astronomical Unit

Short-period comet

the point nearest the sun in the orbit of a planet, comet or…

the point farthest away from the sun in the orbit of a planet…

(AU) Average distance between Earth and the Sun

orbital periods shorter than 200 years

Perihelion

the point nearest the sun in the orbit of a planet, comet or…

Aphelion

the point farthest away from the sun in the orbit of a planet…

Force of Universal Gravitiation

Newton

Gravitation

Centripetal acceleration of moon

Every object in the universe provides an attractive force on…

Most famous for law of gravitation

Mutual force of attraction between objects.

.0027 m/s^2

Force of Universal Gravitiation

Every object in the universe provides an attractive force on…

Newton

Most famous for law of gravitation

attractive force that exists between a…

gives materials their strength, their…

holds particles in the nucleus of an a…

form of electromagnetic force; involve…

gravitational force

electromagnetic force

strong nuclear force

weak nuclear force

attractive force that exists between a…

gravitational force

gives materials their strength, their…

electromagnetic force

Newton's Universal Law of Gravitation

Gravitational Field Strength (g)

Gravitational Potential Energy (Ep)

Equipotential Surface

The force of gravity between two objects is directly proporti…

Gravitational force per unit mass exerted on a small or point…

The work done bringing a small point mass from infinity to a…

A surface on which the potential is the same everywhere

Newton's Universal Law of Gravitation

The force of gravity between two objects is directly proporti…

Gravitational Field Strength (g)

Gravitational force per unit mass exerted on a small or point…

What is the centripetal force that hol…

The force that Earth exerts on the moon?

How does the Gravitational force betwe…

What does G stand for?

Gravitational Force

Is equal in magnitude to the force the moon exerts on Earth

The force increase by a factor of 2

The constant of universal gravitation

What is the centripetal force that hol…

Gravitational Force

The force that Earth exerts on the moon?

Is equal in magnitude to the force the moon exerts on Earth

Newton's Law of Universal Gravitation

Inverse Square Law

Apparent weightlessness

Gravitational field

The force of gravity between two objects is proportional to e…

Relates the intensity of an effect to the inverse square of t…

Occurs when an object and its surroundings are falling at the…

The attractive non-contact force that a massive body extends…

Newton's Law of Universal Gravitation

The force of gravity between two objects is proportional to e…

Inverse Square Law

Relates the intensity of an effect to the inverse square of t…

Gravitational Force

Newton's Law of Universal Gravitation

Force & Mass

Force & Distance

attractive force between any two object; weakest of the forces

every mass feels an attractive force from every other one

Force of Gravity is directly proportional to the product of t…

Force of Gravity is inversely proportional to the square of t…

Gravitational Force

attractive force between any two object; weakest of the forces

Newton's Law of Universal Gravitation

every mass feels an attractive force from every other one

Kepler

1st law

Ellipse

Eccentricity

First scientist to correctly describe planetary motion

Law of orbits- planets move in ellipses with the sun at a focus

A curve on a planet surrounding focal points

Ratio of the distances deviation

Kepler

First scientist to correctly describe planetary motion

1st law

Law of orbits- planets move in ellipses with the sun at a focus

What is gravity?

What is the gravitational field streng…

What is the gravitational potential?

What is a gravitational field?

Gravity is the attractive force that acts between all masses.

The gravitation field stength, g, defined as:... The force that…

The gravitational potential at a point in a gravitational fie…

The force field around a mass

What is gravity?

Gravity is the attractive force that acts between all masses.

What is the gravitational field streng…

The gravitation field stength, g, defined as:... The force that…

Kepler's 1st law

Kepler's 2nd Law

Kepler's 3rd Law

Newton's 1st Law

All planets move in an elliptical orbit w/ the sun at one foc…

A line from the planet to the sun sweeps out equal areas in t…

The square of the period of any planet is proportional to the…

A body will not accelerate if the sum of the forces acting on…

Kepler's 1st law

All planets move in an elliptical orbit w/ the sun at one foc…

Kepler's 2nd Law

A line from the planet to the sun sweeps out equal areas in t…

Kepler's first law

Kepler's second law

Kepler's third law

Geocentric theory

The paths of the planets are ellipses with the centre of the…

And imaginary line from the sun sweeps out equal areas in equ…

The ratio of the squares of the periods of any two planets re…

The earth is the centre of the solar system and the sun and o…

Kepler's first law

The paths of the planets are ellipses with the centre of the…

Kepler's second law

And imaginary line from the sun sweeps out equal areas in equ…

1st law, elliptical, ellipse

2nd law, equal

3rd law, proportional, cubed

inverse square law of attraction

each planet moves in an ----- orbit w/ the sun at one focus o…

a line from the planet to the sun sweeps out ------- areas in…

the period of a planet's orbit squared is ------- to its aver…

Newton deduced this from Kepler's 3rd law

1st law, elliptical, ellipse

each planet moves in an ----- orbit w/ the sun at one focus o…

2nd law, equal

a line from the planet to the sun sweeps out ------- areas in…

Kepler's 1st Law of Planetary Motion

Kepler's 2nd Law of Planetary Motion

Kepler's 3rd Law of Planetary Motion

Newton's 1st Law of Orbital Motion

The orbits of planets are ellipses with the Sun at one focus.…

The radius vector of a planet sweeps out equal areas in equal…

The square of the orbital period of a planet is directly prop…

A body will not accelerate if the sum of the forces acting on…

Kepler's 1st Law of Planetary Motion

The orbits of planets are ellipses with the Sun at one focus.…

Kepler's 2nd Law of Planetary Motion

The radius vector of a planet sweeps out equal areas in equal…

Center of Mass

Newton's first law

Newton's second law

Newton's third law

The center of mass is the average distance, weighted by mass.…

The law of inertia basically states the following: without an…

(F = ma)... A net force acting on an object will cause that obj…

Newton's third law, forces equal and opposite... Every action ha…

Center of Mass

The center of mass is the average distance, weighted by mass.…

Newton's first law

The law of inertia basically states the following: without an…

The force of gravity between two objects

value of G

Gravity decreases rapidly with ____

The force of gravity decreases as the…

F=(Gm1m2)/r^2

6.67x10^-11

distance

inverse of the square of distance (1/r^2)

The force of gravity between two objects

F=(Gm1m2)/r^2

value of G

6.67x10^-11

what are the 10 components of the sola…

interesting fact about Mercury

interesting fact about Venus

interesting fact about Earth

1- Mercury... 2- Venus... 3- Earth... 4- Mars... 5- Asteroid Belt... 6- Jupi…

smallest plannet in solar system

rotates counter-clockwise

planet with greatest density in Solar system

what are the 10 components of the sola…

1- Mercury... 2- Venus... 3- Earth... 4- Mars... 5- Asteroid Belt... 6- Jupi…

interesting fact about Mercury

smallest plannet in solar system

Newtons universal law of gravitation

Force is____proportional to mass

Force is_____proportional to distance

Weightless does not mean____... It means.…

Every object with mass is attracted to every other object wit…

Directly

Inversely

Zero gravity... No supporting force

Newtons universal law of gravitation

Every object with mass is attracted to every other object wit…

Force is____proportional to mass

Directly

uniform circular motion

changing velocity in uniform circular…

centripetal acceleration

period

occurs when an object moves in a circular path with a constan…

the change in the velocity vector is due to the change in dir…

the acceleration is always perpendicular to the path of the m…

the period, T, is the time required for one complete revoluti…

uniform circular motion

occurs when an object moves in a circular path with a constan…

changing velocity in uniform circular…

the change in the velocity vector is due to the change in dir…

copernicus

tycho brahe

kelper

galileo

sun centered solar system

made accurate observations of the positions of the planets an…

mathematically described orbital motion

demonstrated a low mass object and a high mass object fall wi…

copernicus

sun centered solar system

tycho brahe

made accurate observations of the positions of the planets an…

What quantities does the acceleration…

Affect on weight if mass of earth doub…

Affect on weight if radius triples mas…

Affect on weight if you find yourself…

Radius and mass

Double

1/9

Infinity

What quantities does the acceleration…

Radius and mass

Affect on weight if mass of earth doub…

Double

Nicholas Copernicus

Tycho Brahe

Johannes Kepler

Kepler's 1st law

- sun centered universe ... - circular planetary orbits

- accurate and comprehensive astronomical and planetary obser…

- explained planetary movement ... - discovered laws to describe…

The paths of the planets are ellipses with the sun at one focus

Nicholas Copernicus

- sun centered universe ... - circular planetary orbits

Tycho Brahe

- accurate and comprehensive astronomical and planetary obser…

Time Period (T)

Angular Displacement (theta)

Angular Velocity (w)

Frequency (f)

Time taken to complete one circle, unit is second

Angle of a line joining body to center, unit is radian

angle swept out per unit time, unit is radian/second... omega (w…

number of complete revolutions per minute... f=1/T OR w=f2pi

Time Period (T)

Time taken to complete one circle, unit is second

Angular Displacement (theta)

Angle of a line joining body to center, unit is radian

scientific notation

Newton's law of universal gravitation

universal gravitational constant (G)

perturbation

a mathematical expression used to represent a decimal number…

Fg=Gm1m2/d^2... states that a particle attracts every other part…

G=6.67x10^-11 Nm^2/kg

a secondary influence on a system that modifies simple behavi…

scientific notation

a mathematical expression used to represent a decimal number…

Newton's law of universal gravitation

Fg=Gm1m2/d^2... states that a particle attracts every other part…

centripetal force

the force of gravity between earth and…

gravitational force exists between...

the force of gravity between two objec…

the force needed to move any object in a circular motion

it keeps the earth in orbit

ALL objects that have mass

proportional, mass

centripetal force

the force needed to move any object in a circular motion

the force of gravity between earth and…

it keeps the earth in orbit