#### Study sets matching "physics gravity"

#### Study sets matching "physics gravity"

why did Newton think that a force must…

What did newton conclude about the for…

If the moon falls why doesn't it get c…

what is meant by tangental velocity

the moon orbits the earth

gravity

satalittes fall around the earth

the velocity of a salattlie

why did Newton think that a force must…

the moon orbits the earth

What did newton conclude about the for…

gravity

Law of universal gravitation

Inverse-square law

Weight

Weightless

Every body in the universe attracts every other body with a f…

A law relating the intensity of an effect to the inverse squa…

The force that an object exerts on a supporting surface (or,…

Being without a support force, as in free fall.

Law of universal gravitation

Every body in the universe attracts every other body with a f…

Inverse-square law

A law relating the intensity of an effect to the inverse squa…

tangential velocity

einstein

aristotle

brahe

sideways velocity perpindicular to the pull of gravity

described gravity in a forth dimension predicted gravity can…

The circular motions of the heavenly bodies are natural need…

complied by state of tables on the plane it's in the 1500s in…

tangential velocity

sideways velocity perpindicular to the pull of gravity

einstein

described gravity in a forth dimension predicted gravity can…

Why are black holes black?

Ordinary stars like our sun will die a…

Large, massive stars will die in a spe…

After the explosion, large, massive st…

Gravity is so strong light cannot escape

White Dwarf

Supernova

Neutron star

Why are black holes black?

Gravity is so strong light cannot escape

Ordinary stars like our sun will die a…

White Dwarf

Who developed the universal law of gra…

If the distance is increased twice as…

If the distance is increase to three t…

If the distance is increased ten times…

Newton

Reduced to 1/4

Reduced to 1/9

Reduced to 1/100

Who developed the universal law of gra…

Newton

If the distance is increased twice as…

Reduced to 1/4

In the phrase "What goes up, must come…

What does the gravitational field do?

What is the strength of the Earth's gr…

What is acceleration

Gravity

Exerts a force that attracts objects towards itself

Acceleration of objects influenced by gravitational field

The rate of change of velocity over time

In the phrase "What goes up, must come…

Gravity

What does the gravitational field do?

Exerts a force that attracts objects towards itself

Source

Object

Distance

Force of Gravity

The source of the gravitational field

the object of mass (m) in the gravitational field that experi…

The length from the center of the source to the center of the…

the pull that acts

Source

The source of the gravitational field

Object

the object of mass (m) in the gravitational field that experi…

Isaac Newton

Henry Cavendish

Universal Gravitation Constant

Gravitational Force (aka. gravity)

determines the relationship between mass and gravity

solved Isaac Newton's equation, determined the value of "k"

represents the strength/value of gravity in the universe

an effect which causes any two masses to be pulled toward eac…

Isaac Newton

determines the relationship between mass and gravity

Henry Cavendish

solved Isaac Newton's equation, determined the value of "k"

Aristotle

Ptolemy

Copernicus

Brahe

Earth is the center of the universe; geocentric

attempted to account for retrograde

Sun is the center of the universe; heliocentric

made precise measurements of the heavens

Aristotle

Earth is the center of the universe; geocentric

Ptolemy

attempted to account for retrograde

inertia

mass

weight

equilibrium

The tendency of an object to resist any change in motion.

The amount of matter in an object.

The attractive force due to gravity.

State of balance when the forces acting on an object are equal.

inertia

The tendency of an object to resist any change in motion.

mass

The amount of matter in an object.

If an object accelerates

If there is a change in velocity

At a point the velocity

Centripetal force

There must be a force ... Direction of A is the same as directio…

There is a change in acceleration and force

Is tangent to the circle ... Perpendicular to the radius

Circle... Force toward the center

If an object accelerates

There must be a force ... Direction of A is the same as directio…

If there is a change in velocity

There is a change in acceleration and force

Centrifugal force

Centrifugal force will never

The only force acting on an orbiting p…

Orbiting projectile is in

A force that seems to push an object to the outside of a circle

Appear on a free body

Gravity

Free fall

Centrifugal force

A force that seems to push an object to the outside of a circle

Centrifugal force will never

Appear on a free body

Copernicus

Galileo

Law of inertia

Friction

The sun is at the center of the universe

Ball rolling to the other side will be at its original height

1. Continues moving at the same velocity unless acted upon by…

1. Comes from microscopic bumps ... 2. Always acts the opposite…

Copernicus

The sun is at the center of the universe

Galileo

Ball rolling to the other side will be at its original height

Early humans

Newton

Isaac Newton

Isaac Newton

Who discovered Gravity?

Who discovered that Gravity is universal?

-Formulated ideas based on Galileo's earlier work... -Understood…

Theorized that the same set of laws apply to both celestial a…

Early humans

Who discovered Gravity?

Newton

Who discovered that Gravity is universal?

Kinetic friction

Projectile

Trajectory

Centripetal acceleration

The force exerted on one surface by a second surface when the…

An object shot through the air, such as football, that has in…

Path of projectile through space

The center-seeking acceleration of an object moving in a circ…

Kinetic friction

The force exerted on one surface by a second surface when the…

Projectile

An object shot through the air, such as football, that has in…

What happens in freefall?

Factors affecting Terminal Velocity

why does it exclude skydivers

Newtons Law of Gravity

the person experiences sense of weightlessness due to no reac…

surface area, viscosity, weight of object

they are not a sphere, too large, air flow is turbulent, movi…

each mass attracts the other w/ a F directly proportional to…

What happens in freefall?

the person experiences sense of weightlessness due to no reac…

Factors affecting Terminal Velocity

surface area, viscosity, weight of object

Newtons law

Force field

Gravitation potential

Gravitational potential difference

Force proportional to product of masses and inversley to dist…

An area where an object experiences force.

The work done to bring a unit mass from infinity to a point.

The difference between two gravitational potentials ina field.

Newtons law

Force proportional to product of masses and inversley to dist…

Force field

An area where an object experiences force.

Friction acts in which direction?

Newtons third law of motion?

The strength of friction depends on?

How is friction annoying?

The opposite to movement

For every action there is an equal and opposite reaction.

1. How rough the surfaces in contact are... 2. How hard the surf…

Makes machines less efficient.

Friction acts in which direction?

The opposite to movement

Newtons third law of motion?

For every action there is an equal and opposite reaction.

Gravitaional force and field

Why do things fall?

Changing theories

Definitions

Book page 257-262

Aristotle: things reach their natural resting position... Out of…

Explain what is meant by a force field... Region where a force a…

Force field... A region where a force acts. Strength of field va…

Gravitaional force and field

Book page 257-262

Why do things fall?

Aristotle: things reach their natural resting position... Out of…

The greater the masses of interacting…

Tripling the distance between two obje…

If the mass of the Earth somehow incre…

A black hole is...

the greater the gravitational force between them

divides the gravitational force between them by 9

increase

remains of a giant star that has undergone gravitational coll…

The greater the masses of interacting…

the greater the gravitational force between them

Tripling the distance between two obje…

divides the gravitational force between them by 9

The force of attraction between all ob…

The more distance between objects, the…

The more massive the objects are, the_…

A 10kg rock and a 20kg rock free fall…

gravity

less

more

They both hit at the same time

The force of attraction between all ob…

gravity

The more distance between objects, the…

less

Gravity

Spacetime

Newton's 1st Law of Motion:

Why doesn't the Moon crash into Earth?

Distortions in spacetime due to the presence of mass. Means b…

Spacetime is the four dimensional fabric of the Universe. It'…

Object at rest tends to stay at rest unless acted on by an ou…

The Moon has tangential velocity

Gravity

Distortions in spacetime due to the presence of mass. Means b…

Spacetime

Spacetime is the four dimensional fabric of the Universe. It'…

What is the law if universal gravitati…

What factors determine the gravitation…

How far away would one have to travel…

Why do objects fall?

Gravity, as stated by newton, is a force that attracts every…

Mass: greater the mass, the greater the gravitational force b…

According to newtons law of universal gravitation, an object…

Because everything on earth is attracted to earth because of…

What is the law if universal gravitati…

Gravity, as stated by newton, is a force that attracts every…

What factors determine the gravitation…

Mass: greater the mass, the greater the gravitational force b…

formula for...

**gravitational force**... (New…How is the acceleration due to gravity…

Kepler's 1st Law:... Although planetary o…

Kepler's 2nd Law:... What do you know abo…

F = gravitational force... G = constant... m1, m2 = masses... r = dist…

g is inversely proportional to the square of the distance (fr…

Elliptical (ellipse).... S = sun... P = planet

Equal areas are swept in equal times.... (In the figure, areas a…

formula for...

**gravitational force**... (New…F = gravitational force... G = constant... m1, m2 = masses... r = dist…

How is the acceleration due to gravity…

g is inversely proportional to the square of the distance (fr…

orbit

rotation

equator

hemisphere

the path an object takes as it revolves around a star, plane,…

one whole spin of an object around its axis

zero degrees latitude; the imaginary line that separates the…

half of the earth

orbit

the path an object takes as it revolves around a star, plane,…

rotation

one whole spin of an object around its axis

Newton's law of universal gravitation

[Newton's law of universal gravitation…

[Newton's law of universal gravitation…

[Newton's law of universal gravitation…

Mass of objects 1 and 2 in kg

The gravitational force

The distance between the centres of objects 1 and 2 in metres

Newton's law of universal gravitation

[Newton's law of universal gravitation…

Mass of objects 1 and 2 in kg

The center of mass (equation)

Newton's first law

Newton's second law

Newton's third law,

is the average distance, weighted by mass

inertia... The law of inertia basically states the following: w…

F = ma

orces equal and opposite

The center of mass (equation)

is the average distance, weighted by mass

Newton's first law

inertia... The law of inertia basically states the following: w…

Copernicus

gathered data

Kepler's 3 laws of planetary motion

F = Gm1m2/d^2

first person to suggest a heliocentric solar system

main contribution Brahe made to astronomy

1) elliptical orbits 2) equal area law 3) T^2 is proportional…

what is Newton's universal law of gravitation?

Copernicus

first person to suggest a heliocentric solar system

gathered data

main contribution Brahe made to astronomy

Rotation

Revolution

Axis

Period

Turning around an internal axis

Turning around an external axis

An imaginary line around through which turning takes place

The time to go around once; usually measured seconds

Rotation

Turning around an internal axis

Revolution

Turning around an external axis

Mass

Newton

Friction

Inertia

The amount of matter in an object. (Matter is all of the "stu…

A unit of measure that equals the force required to accelerat…

The force that opposes the motion of one surface as it moves…

The tendency of an object to resist any change in its motion

Mass

The amount of matter in an object. (Matter is all of the "stu…

Newton

A unit of measure that equals the force required to accelerat…

Law of universal gravitation

Inverse-square law

Weight

Weightless

For any part of objects, each particle attracts the other obj…

The law that relates the intensity of an effect to the invers…

the force that an object extras on supporting surface

the condition in which an object experiences no support force…

Law of universal gravitation

For any part of objects, each particle attracts the other obj…

Inverse-square law

The law that relates the intensity of an effect to the invers…

rotational motion

radian

angular displacement

angular speed

motion of a body that spins about an axis.

an angle whose arc length is equal to its radius, which is ap…

The change in the angle as an object rotates.

the rate at which a body rotates about an axis, usually expre…

rotational motion

motion of a body that spins about an axis.

radian

an angle whose arc length is equal to its radius, which is ap…

velocity is always _____ to the circle…

If a object is moving in a circle and…

centripetal forces that could be on a…

you can go at a _______ around a circle

tangential

in a straight line (Newtons First Law)

gravity, electricity and magnets, tension, friction, normal f…

constant speed

velocity is always _____ to the circle…

tangential

If a object is moving in a circle and…

in a straight line (Newtons First Law)

Newton's Law of Universal Gravitation

Gravitation Formula

Bigger distance means the force of att…

Inverse-Squared law

-Every object pulls on every other object with a gravitationa…

Force=mass of object 1 * mass of object2... /distance^2

-If an object moves away by 2d, then the force drops by 4.

-Gravitational Forces between 2 objects depends on how far th…

Newton's Law of Universal Gravitation

-Every object pulls on every other object with a gravitationa…

Gravitation Formula

Force=mass of object 1 * mass of object2... /distance^2

Aristotle

Newton

Fg ~ m1*m2

Fg~1/d^2

Everything is made of 4 elements (fire, water, air, earth)... -r…

(2,000 yrs later)... 1) Gravity is a force... 2) Attractive force... 3…

-If mass of one object increases by 2, then Fg increases by 2…

If distance increases by factor of 2(x2), then Fg decreases b…

Aristotle

Everything is made of 4 elements (fire, water, air, earth)... -r…

Newton

(2,000 yrs later)... 1) Gravity is a force... 2) Attractive force... 3…

Aristotle

Newton

Fg ~ m1*m2

Fg∞1/d^2

Everything is made of 4 elements (fire, water, air, earth)... -r…

1) Gravity is a force... 2) Attractive force... 3) Force exists bet…

-If mass of one object increases by 2, then Fg increases by 2…

If distance increases by factor of 2(x2), then Fg decreases b…

Aristotle

Everything is made of 4 elements (fire, water, air, earth)... -r…

Newton

1) Gravity is a force... 2) Attractive force... 3) Force exists bet…

Geocentric

Heliocentric

Empirical

Law of Orbits

Ptolemy's theory that the earth is the center of the solar sy…

Copernicus' theory that claims the sun, not the earth was the…

Kelper's three laws - drawn from observation rather from laws…

The first law; The orbit of every planet has the shape of an…

Geocentric

Ptolemy's theory that the earth is the center of the solar sy…

Heliocentric

Copernicus' theory that claims the sun, not the earth was the…

moon phases from earth

An object in elliptical orbit achieves…

Jumping into a hole through the earth,…

If NASA gave a spacecraft tangential(h…

it is closest to its central body

the earth's center

orbit the earth in an elliptical path

moon phases from earth

An object in elliptical orbit achieves…

it is closest to its central body

force of gravitational attraction

universal gravitational constant

mass of earth

radius of earth

Fg=G[(m₁m₂)/r²] ... (universal gravitational constant•(mass 1•m…

6.67x10^-¹¹

5.98x10²⁴ kg

6.37x10⁶ m

force of gravitational attraction

Fg=G[(m₁m₂)/r²] ... (universal gravitational constant•(mass 1•m…

universal gravitational constant

6.67x10^-¹¹

spring tide

inverse square law

law of universal gravitation

Newton reasons that the gravitational…

A high or low tide that occurs when the sun Earth and Moon ar…

A tide that occurs when the moon is halfway between a new Moo…

For any pair of objects, each object attracts the other objec…

Reduced by distance.

spring tide

A high or low tide that occurs when the sun Earth and Moon ar…

inverse square law

A tide that occurs when the moon is halfway between a new Moo…

Describe the tide.

Black holes

The pedigree Orbit

The apogee orbit

the tide occurs when the moon is halfway between a new moon a…

A mass that has collapsed. It creates a density that is enorm…

The point at which the elliptical orbit is nearest to the cen…

The point in which the center of the orbit is farthest from t…

Describe the tide.

the tide occurs when the moon is halfway between a new moon a…

Black holes

A mass that has collapsed. It creates a density that is enorm…