#### Study sets matching "gravitation ap physics"

#### Study sets matching "gravitation ap physics"

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

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

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…

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.

(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…

**Concepts**... What happens to the force o…

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

**Concepts**... What happens to the force o…

1/9

What happens to the force of two masse…

1/16

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…

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 /…

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…

Newton

Mass

Weight (Fg)

Contributers to the Law of Universal G…

Discovered that gravity attracts any two objects depending on…

-amount of matter in an object... -relatively constant throughou…

-gravitational attraction... -changes depending on where you are…

1. Newton... 2. Kepler... 3. Brahe... 4. Copernicus/Galileo... 5. Cavendish

Newton

Discovered that gravity attracts any two objects depending on…

Mass

-amount of matter in an object... -relatively constant throughou…

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

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…

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…

Tycho Brahe

Epicycle

Johannes Kepler

1st Law of planetary motion

Teacher of Kepler, mapped night sky over 20 years of observat…

Smaller circular path followed along a larger circular path

Astronomer who used geometry & math w/ a sun centered solar s…

Paths planets follow are ellipses with the center of the sun…

Tycho Brahe

Teacher of Kepler, mapped night sky over 20 years of observat…

Epicycle

Smaller circular path followed along a larger circular path

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

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

Law of Orbits

Ellipse

Eccentricity

Law of areas

The orbits of the planets are ellipses with the sun at one fo…

The set of all points whose combined distances to two fixed p…

Measure of how elongated an ellipse is

The line joining a planet to the sun traces out equal areas i…

Law of Orbits

The orbits of the planets are ellipses with the sun at one fo…

Ellipse

The set of all points whose combined distances to two fixed p…

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…

"little g"

Fg = mg

Two Aspects of Mass

Law of Universal Gravitation

The acceleration due to gravity; on the surface of the Earth,…

The mass-weight conversion formula.

Mass provides a resistance to a change in motion (inertia) an…

The rule that each mass in the universe attracts all other ma…

"little g"

The acceleration due to gravity; on the surface of the Earth,…

Fg = mg

The mass-weight conversion formula.

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…

Who was the first astronomer to propos…

Who developed the laws of planetary mo…

What/who uses an equation to determine…

What is the planetary motion law that…

Copernicus

Kepler

Kepler... 3rd law of planetary motion

1st law of planetary motion

Who was the first astronomer to propos…

Copernicus

Who developed the laws of planetary mo…

Kepler

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

Newton's Law of Gravitation

Gravitational field

Radial field

Uniform field

Gravity is an attractive force that acts between all masses,…

the area around a mass where any other masses experience a fo…

field lines end at the centre of mass and tail back to infini…

field lines are parallel e.g. assumed at the surface of Earth

Newton's Law of Gravitation

Gravity is an attractive force that acts between all masses,…

Gravitational field

the area around a mass where any other masses experience a fo…

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

centripetal acceleration

centripetal force

period

T

the acceleration along the curve which results in a change in…

points toward the center of the circular path of, but is felt…

the time it takes to make one revolution

period symbol

centripetal acceleration

the acceleration along the curve which results in a change in…

centripetal force

points toward the center of the circular path of, but is felt…

Gravitation

Law of Gravitation

Shell Theorem

Principle of Superposition

the tendency of bodies to move toward one another

any particle in the universe attracts any other particle with…

a uniform spherical shell of matter attracts a particle that…

if n particles interact, the net force on a particle labeled…

Gravitation

the tendency of bodies to move toward one another

Law of Gravitation

any particle in the universe attracts any other particle with…

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…

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

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.

law of universal gravitation

universal gravitation constant

inverse - square law

gravitational field

every object attracts every other object with a force

"Big G" G=6.67 X 10^-11 N*m^2/kg^2

changes in inverse proportion to the square of the distance f…

force field that occupies space around a large object

law of universal gravitation

every object attracts every other object with a force

universal gravitation constant

"Big G" G=6.67 X 10^-11 N*m^2/kg^2

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

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

Angular velocity

Angle turned formula

Points to note about newton's law of u…

What is a geostationary satellite?

Angle turned/time taken. Units: rad/s

Angle = arc/radius

- point masses ... - forces are equal and opposite (N3) ... - two s…

One that orbits with the earth

Angular velocity

Angle turned/time taken. Units: rad/s

Angle turned formula

Angle = arc/radius

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

"little g"

Fg = mg

Two Aspects of Mass

Law of Universal Gravitation

The acceleration due to gravity; on the surface of the Earth,…

The mass-weight conversion formula.

Mass provides a resistance to a change in motion (inertia) an…

The rule that each mass in the universe attracts all other ma…

"little g"

The acceleration due to gravity; on the surface of the Earth,…

Fg = mg

The mass-weight conversion formula.

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…

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…

normal force centripetal force ex

friction force centripetal force ex.

gravitational force centripetal force…

inertia's role in circles

provides an inward force to make it go in a circle; from othe…

can't turn without friction; need something to drive that inn…

ex. sun and earth-->orbit; bc there is no friction in space,…

N1 says that objects will remain in motion in a straight line…

normal force centripetal force ex

provides an inward force to make it go in a circle; from othe…

friction force centripetal force ex.

can't turn without friction; need something to drive that inn…

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…

Shown below are the velocity and accel…

If a satellite moves with constant spe…

An object moves in a circular path at…

The Moon is accelerated toward the ear…

A: arrow is upward V: arrow is pointing to the right

inward toward the earth

The vectors are perpendicular to each other.

False

Shown below are the velocity and accel…

A: arrow is upward V: arrow is pointing to the right

If a satellite moves with constant spe…

inward toward the earth

gravity

what does the size of gravitational fo…

what happens to gravitational force as…

what happens to force if the distance…

attraction force on objects

the product of the 2 masses and the distance between them squ…

decreases

the new force would be 1/9 of the original if the distance wa…

gravity

attraction force on objects

what does the size of gravitational fo…

the product of the 2 masses and the distance between them squ…

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…

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