# Study sets matching "ap physics universal law"

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Universal gravitation

G

What do you have to be careful with wit…

Formulas that you must memorize

-universal gravitation constant... - 6.67 x 10⁻¹¹ Nm²/kg²

-UNITS: must be using meters (so if they give you kilometers,…

-weight = mass (kg) times g (varies throughout universe)... -univ…

Universal gravitation

G

-universal gravitation constant... - 6.67 x 10⁻¹¹ Nm²/kg²

Centripetal Acceleration

Centripetal Acceleration Equation

Tangential Velocity

Circular Velocity

Acceleration toward the center of a curved or circular path

Ac = v^2/r

Velocity measured at any point tangent to a circular path

The distance of the path over the time it takes

Centripetal Acceleration

Acceleration toward the center of a curved or circular path

Centripetal Acceleration Equation

Ac = v^2/r

Uniform Circular Motion

Tangential Speed (or Velocity)

Centripetal

Centripetal Acceleration

An object moves in a circular path about an external axis... The…

The speed of an object in circular motion that is tangent to t…

Toward the center... Center-seeking

The acceleration vector of a circling object points toward the…

Uniform Circular Motion

An object moves in a circular path about an external axis... The…

Tangential Speed (or Velocity)

The speed of an object in circular motion that is tangent to t…

What is the shape of every planet in ou…

Kepler's First Law

Kepler's Second Law

What happens when a planet gets closer…

An oval(elliptical orbit)

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

The line joining the planet to the sun sweeps out equal areas…

It has to travel faster and attains more force it does this so…

What is the shape of every planet in ou…

An oval(elliptical orbit)

Kepler's First Law

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

Gravitational force

Law of Universal Gravitation

Universal gravitation constant

Satellite

An attractive force that acts between any two masses.

All objects in the universe attract each other through gravita…

6.67 E-11 N m² / kg²

Object that revolves around a larger object

Gravitational force

An attractive force that acts between any two masses.

Law of Universal Gravitation

All objects in the universe attract each other through gravita…

Position

Distance

Displacement

Speed

Where an object is, in terms of a well-chosen origin.

How far an object actually moves

An object's change in position

How fast... Always positive

Position

Where an object is, in terms of a well-chosen origin.

Distance

How far an object actually moves

Universal law of Gravitation

Gravity is a ______ Force

The gravitational field

High tide and low tide refer to...

As distance increases a little, the force of gravity increases…

Field

The space surrounding a massive body that affects everything t…

differences in gravitational pull of the two masses

Universal law of Gravitation

As distance increases a little, the force of gravity increases…

Gravity is a ______ Force

Field

What best explains the gravitational fo…

The gravitational force of attraction b…

If Spacecraft X has 2x the mass of Spac…

Each of four satellites makes a circula…

The satellite's gravitational force will pull in the gravitati…

doubling the mass of both objects.

I and II only.

B. m, 1/2 R

What best explains the gravitational fo…

The satellite's gravitational force will pull in the gravitati…

The gravitational force of attraction b…

doubling the mass of both objects.

meter

Friction

tangent

v^2/r

What is the SI unit for circumference?

What is the force that causes centripetal acceleration when a…

The velocity is always______ to the line of a circle.

A satellite of mass m and speed v orbits the Earth at distance…

meter

What is the SI unit for circumference?

Friction

What is the force that causes centripetal acceleration when a…

the resistance does not depend on the v…

voltage based on current and resistance

how to decrease resistance: use a ? cro…

how to decrease resistance: ? resistivi…

ohm's law

V = IR

bigger

lower

the resistance does not depend on the v…

ohm's law

voltage based on current and resistance

V = IR

THE SPHERICAL EARTH

MOTIONS OF THE EARTH

MODELS OF THE UNIVERSE

GALILEO'S ASTRONOMICAL OBSERVATIONS

Babylonians, Pythagoras, Plato, Aristotle, Eratosthenes

Axial Precession, Annual Motion, Diurnal Motion

Eudoxus, Aristotle, Aristarchus, Ptolemy, Copernicus, Tycho, K…

Lunar Craters, Phases of Venus, Moons of Jupiter, Sunspots/Sol…

THE SPHERICAL EARTH

Babylonians, Pythagoras, Plato, Aristotle, Eratosthenes

MOTIONS OF THE EARTH

Axial Precession, Annual Motion, Diurnal Motion

Force

Net Force

Newtons

Inertia

Any push or pull on an object

A combination of all forces acting on an object

The measurement for force

A tendency of an objects to resist changes in velocity. Its th…

Force

Any push or pull on an object

Net Force

A combination of all forces acting on an object

Gravitational Force

Fg?... G?... m1?... m2?... d?

What force produces circular motion?

What about centrifugal force?

the gravitational force between any two bodies varies directly…

Fg=gravitational force, N... G= gravitational constant, 6.67 x 10…

A centripetal force (Latin centrum "center" & petere "to seek"…

- Latin root- Fug means, "to flee," as in fugitive... - centrifug…

Gravitational Force

the gravitational force between any two bodies varies directly…

Fg?... G?... m1?... m2?... d?

Fg=gravitational force, N... G= gravitational constant, 6.67 x 10…

Pythagoras

Eratosthenes

precession

Precession of Equinoxes

Started the idea of a spherical earth

calculated the circumference of the earth with a stick

Change in the rotational axis of any rotating body

Change in orientation of the earth's axis (clockwise to cc and…

Pythagoras

Started the idea of a spherical earth

Eratosthenes

calculated the circumference of the earth with a stick

Newtons 1st Law

Newtons 2nd Law

Newtons 3rd Law

Conservation of Mechanical Energy

An object will contiue in its state of motion unless conpelled…

When one force acts on another. F=ma

To every actions there is an equal but opposite reaction. ... F(1…

The sum if an objects kinetic and potential engeries is called…

Newtons 1st Law

An object will contiue in its state of motion unless conpelled…

Newtons 2nd Law

When one force acts on another. F=ma

Newtons First

Newtons Second

Newtons Third

Keplers First

An Object in motion or at rest will stay as such unless acted…

The acceleration of a body is directly proportional to the net…

When one body exerts a force on a second body, the second body…

The orbit of a planet around the sun is an ellipse with the su…

Newtons First

An Object in motion or at rest will stay as such unless acted…

Newtons Second

The acceleration of a body is directly proportional to the net…

1st Law

2nd Law

3rd Law

Inertia

An object in motion will stay in motion, an object at rest wil…

A net force will cause a mass to accelerate. This (acceleratio…

For every force there is another force, equal in magnitude and…

The tendency of an object to keep doing what its doing

1st Law

An object in motion will stay in motion, an object at rest wil…

2nd Law

A net force will cause a mass to accelerate. This (acceleratio…

negative

force

symmetric (charge distribution)

symmetry

electric fields point towards these charges

exerted by an electric field on a charged particle

there is a group of geometric transformations that don't cause…

of a charge distribution must match that of an electric field

negative

electric fields point towards these charges

force

exerted by an electric field on a charged particle

Dynamics

Force

External forces

Free-body diagram

the study of how forces affect the motion of objects.

a push or pull that can be defined in terms of various standar…

are any outside forces that act on a body.

a drawing of all external forces acting on a body

Dynamics

the study of how forces affect the motion of objects.

Force

a push or pull that can be defined in terms of various standar…