# Study sets matching "gravity circular motion"

Centripetal

Centripetal force

Centrifugal

Angular speed

Directed toward the center.

A force that causes an object to move in a circle

Moving away from the center

Angular speed = angle/time = "theta"/t

Centripetal

Directed toward the center.

Centripetal force

A force that causes an object to move in a circle

What causes gravity?

Bigger mass = greater or lesser attract…

How does the separation of the objects'…

Why do astronauts feel weightless?

Masses are attracted to each other

greater

Distance matters. Gravitational force increases as mass increa…

because they're constantly in free fall but their horizontal v…

What causes gravity?

Masses are attracted to each other

Bigger mass = greater or lesser attract…

greater

circular motion

Angular displacement*

Angular speed (w)

Time period (T)

when an object moves around in a circle at a constant speed

the angle moved around a circle by an object from where its ci…

the angular displacement moved per time taken

the time taken for one complete oscillation (cycle)

circular motion

when an object moves around in a circle at a constant speed

Angular displacement*

the angle moved around a circle by an object from where its ci…

Copernicus

Brahe

Kepler

Newton

placed sun rather than earth at the center of universe; though…

Measured planetary moons; made accurate planetary measurements

1st Law: planets orbits are ellipses... 2nd Law: Line from planet…

-gravity is universal... -every object in the universe attracts e…

Copernicus

placed sun rather than earth at the center of universe; though…

Brahe

Measured planetary moons; made accurate planetary measurements

tangential

tangential velocity

uniform circular motion

number of revolutions per second

along line touching a curve, but not crossing it

an objects velocity on the tangent like, shows instantaneous d…

circular motion with a constant tangential speed, NOT accelera…

frequency

tangential

along line touching a curve, but not crossing it

tangential velocity

an objects velocity on the tangent like, shows instantaneous d…

Circle

Centripetal (Force)

Centrifugal/Centrificial

Period

nth order regular polygon as n -> infinity.

A "center seeking" (force), directed towards the center of a c…

Fictional "center fleeting", directed away from the center of…

Time to complete one oscillation.

Circle

nth order regular polygon as n -> infinity.

Centripetal (Force)

A "center seeking" (force), directed towards the center of a c…

Uniform Central Motion (UCM):

Centripetal

Centripetal Force:

Centripetal Acceleration

The motion of an object at a constant speed in a circular path.

center seeking

Net force directed towards the center of the circle- is a coll…

acceleration towards the center that holds an object in orbit.

Uniform Central Motion (UCM):

The motion of an object at a constant speed in a circular path.

Centripetal

center seeking

period

frequency

tangential velocity

Centripetal Aceleration

The time it takes for one full rotation or revolution of an ob…

The number of rotations or revolutions per unit time

The velocity is tangent to the circle

The acceleration which is always directed in toward the center…

period

The time it takes for one full rotation or revolution of an ob…

frequency

The number of rotations or revolutions per unit time

Centripical force

A ball is being whirled in a horizontal…

An object traveling in a circular path…

There is a direct relationship between

The force is directed towards the center of a circular path in…

It will keep traveling in a straight line

Be accelerating

Centripetal force and mass

Centripical force

The force is directed towards the center of a circular path in…

A ball is being whirled in a horizontal…

It will keep traveling in a straight line

disk: greater tangential outer or inner?

disk: greater rotational speed outer or…

centripetal force

centrifugal force

outer, greater radius

same, same number of revolutions

center-seeking force, causes obj to follow circular path

center-fleeing, fictional force: not part of interaction

disk: greater tangential outer or inner?

outer, greater radius

disk: greater rotational speed outer or…

same, same number of revolutions

Uniform Circular Motion (UCM)

Centripetal

Centripetal Force

Centripetal Acceleration

The motion of an object at a constant speed in a circular path.

Center seeking

Net force directed towards the center of a circle.... (A collecti…

Acceleration towards the center that holds an object in orbit.

Uniform Circular Motion (UCM)

The motion of an object at a constant speed in a circular path.

Centripetal

Center seeking

Amplitude

Acceleration

Kinematics

Terminal Velocity

angle made of maximum displacement from rest position

change in velocity over period of time

Branch of physics

resistant force of air increases as object falls through air a…

Amplitude

angle made of maximum displacement from rest position

Acceleration

change in velocity over period of time

Law of Universal Gravitation

Uniform Circular Motion

V of T

Tangental Velocity Equation

F=G(m1 x m2/d^2)

Motion in a circle at a constant SPEED

Tangental Velocity

V of T= 2 x pi x r/T

Law of Universal Gravitation

F=G(m1 x m2/d^2)

Uniform Circular Motion

Motion in a circle at a constant SPEED

Circular Motion

Period

Tangential Velocity

Centripetal Force

Motion in a circle with constant speed and constant radius BUT…

The period of a wave is the time for a particle on a medium to…

The velocity of the object is always tangential to the circle…

a force that makes a body follow a curved path

Circular Motion

Motion in a circle with constant speed and constant radius BUT…

Period

The period of a wave is the time for a particle on a medium to…

Centripetal force

Forces that cause centripetal force

Why do you feel centrifugal force

Centripetal acceleration

(Fc) A center pulling force that causes objects to move in a c…

Friction gravity tension

Your inertia pulls you outwards. Centrifugal force is not a re…

(Ac) an inwards acceleration of an object traveling in a circu…

Centripetal force

(Fc) A center pulling force that causes objects to move in a c…

Forces that cause centripetal force

Friction gravity tension

Uniform circular motion

Cycle

Period

Linear velocity

The motion of an object traveling at a constant speed on a cir…

An interval of time during which a characteristic, often regul…

The time it takes to make one complete revolution.

Linear velocity is the rate of change of the position of an ob…

Uniform circular motion

The motion of an object traveling at a constant speed on a cir…

Cycle

An interval of time during which a characteristic, often regul…

Circular motion

Tangential speed

The object's distance from the center o…

Uniform circular motion

An object moves in a circular path and is constantly changing…

The speed at any point the circular path of the object

The tangential speed depends on what?

Circular motion whenever the tangential speed is constant

Circular motion

An object moves in a circular path and is constantly changing…

Tangential speed

The speed at any point the circular path of the object

rotation

revolution

tangential speed

rotational speed

occurs when an object turns about on internal axis

occurs when an object turns about on external axis

speed of something moving in a circle

number of rotations per unit of time

rotation

occurs when an object turns about on internal axis

revolution

occurs when an object turns about on external axis

Uniform Circular Motion

Period (T)

Linear (tangential) velocity

Centripetal force does not....

motion in a circle at a constant speed

time for one cycle

The direction of the instantaneous velocity is tangent to the…

denote a new and separate force of nature

Uniform Circular Motion

motion in a circle at a constant speed

Period (T)

time for one cycle

T=t/n

Frequency

Period

f=n/t

T is period (s)... t is time (s)... n is the number of cycles

Descrones how many cycles can happen in one second

Time it takes to complete a cycle once

f is period (Hertz)... n is number of cycles... t is time(s)

T=t/n

T is period (s)... t is time (s)... n is the number of cycles

Frequency

Descrones how many cycles can happen in one second

Is it possible for an object moving wit…

Consider a particle moving with constan…

An object moves in a circular path at a…

When an object experiences uniform circ…

Yes, although the speed is constant, the direction of the velo…

It is moving in a circle

The vectors are perpendicular.

is directed toward the center of the circular path.

Is it possible for an object moving wit…

Yes, although the speed is constant, the direction of the velo…

Consider a particle moving with constan…

It is moving in a circle

When calculating the gravitational forc…

Suppose a doorknob is placed at the cen…

What is the term for the net force dire…

When a car makes a sharp left turn, wha…

from the center of each body

Two times as much

Centripetal force

Inertia

When calculating the gravitational forc…

from the center of each body

Suppose a doorknob is placed at the cen…

Two times as much